That dramatic flower shape, crisp seasoned coating, and tender onion in the center make the Outback Steakhouse Bloomin Onion a favorite restaurant appetizer.
The good news is that you can recreate that experience at home with a large sweet onion, a seasoned flour mixture, and a simple milk-and-egg coating.
This Outback Steakhouse Bloomin Onion recipe uses paprika, cayenne, cumin, thyme, and oregano to give the coating its savory, lightly spicy flavor.
The onion is coated twice, chilled, and then deep-fried until the petals turn golden and crisp.
Why You’ll Love This Bloomin’ Onion Recipe
- Crispy seasoned coating surrounds every onion petal.
- Sweet onion becomes tender without losing its shape.
- A double coating creates extra-crisp edges.
- Cayenne adds gentle heat without overpowering the onion.
- Freezing helps the coating stay attached during frying.
- The flower-like presentation makes it ideal for sharing.
- Simple pantry seasonings build a savory restaurant-style crust.
What Is an Outback Steakhouse Bloomin Onion?
An Outback Steakhouse Bloomin Onion is a whole sweet onion cut into connected petals, coated in seasoned breading, and deep-fried until crisp. Instead of separating the onion into individual pieces, the cuts stop short of the root so the onion opens into a flower-like shape.
This homemade bloomin onion Outback Steakhouse version follows that same basic idea. The onion is briefly blanched to encourage the petals to open, dipped in an egg-and-milk mixture, coated with seasoned flour, and chilled before frying.
The result is crisp on the outside, tender and naturally sweet inside, with plenty of seasoned coating tucked between the petals.
What Does a Bloomin Onion Taste Like?
A blooming onion has a combination of sweet, savory, spicy, and crunchy flavors. The outer coating becomes deeply golden and crisp, while the onion underneath softens and develops a sweeter, more mellow flavor.
Paprika and cumin give the crust a warm savory character, while cayenne pepper provides a mild kick. Thyme and oregano add subtle herbal notes without taking away from the onion’s natural flavor.
Because the onion is cut into individual petals while remaining connected at the base, each bite gives you a slightly different balance of crisp coating and tender onion.
Outback Steakhouse Bloomin Onion Recipe Ingredients
Gather all the following ingredients, before you start making this Outback Steakhouse Bloomin Onion.
For the Onion
- 1 large sweet onion
- 1 cup all-purpose flour
- 1 teaspoon paprika
- ¼ teaspoon cayenne pepper
- ⅛ teaspoon dried thyme
- ⅛ teaspoon dried oregano
- ¼ teaspoon ground cumin
- 1 teaspoon salt
- Freshly ground black pepper, to taste
- 1 large egg
- 1 cup whole milk
- 1 gallon vegetable oil, for deep-frying
A large sweet onion works particularly well because its size gives you plenty of petals to separate and a naturally mild flavor that balances the seasoned coating.
Kitchen Tools You’ll Need
- Sharp chef’s knife
- Cutting board
- Small paring knife
- Large mixing bowls
- Whisk
- Slotted spoon or spider strainer
- Large heavy-bottomed pot or deep fryer
- Instant-read or deep-fry thermometer
- Paper towels
- Baking sheet or tray
Preparation and Cooking Time
Prep Time: 25 minutes
Freezing Time: 1–2 hours
Cooking Time: About 10 minutes
Total Time: About 1 hour 35 minutes to 2 hours 35 minutes
How to Cut a Bloomin Onion Without Breaking the Root
The root end is the most important part of the onion because it holds all the petals together. Cutting too deeply through it will cause the onion to fall apart.
Start by cutting off the top of the onion and peeling away the outer skin. Leave the root end completely intact. Carefully trim around the root if necessary, but avoid cutting through the base.
Next, remove a small amount from the center to help the onion open. Turn the onion upside down and make four downward cuts around it, stopping before reaching the root. Then make two smaller cuts between each of the four sections.
You should end up with multiple connected petals rather than individual onion pieces.
How to Make This Outback Steakhouse Bloomin Onion
1. Prepare the Onion
Cut off the top of the sweet onion and peel it, keeping the root end intact. Carefully trim around the root without cutting through it.
Core out the center, then turn the onion upside down. Make four cuts downward toward the root, stopping well before the base. Make two smaller cuts between each quarter to create additional petals.
Take your time with this step. Even cuts help the onion open evenly while keeping the flower shape intact.
2. Open the Onion Petals
Bring a pot of water to a boil and carefully place the prepared onion into the water for about 1 minute. This brief blanching helps loosen the petals so they open more easily.
Remove the onion and immediately transfer it to ice water. This stops the cooking process and helps prevent the onion from becoming too soft.
Drain the onion thoroughly. Excess water can make the coating difficult to apply and may cause dangerous oil splattering during frying.
3. Make the Seasoned Coating
Whisk the egg and whole milk together in one bowl.
In a separate bowl, combine the all-purpose flour, paprika, cayenne pepper, dried thyme, dried oregano, ground cumin, salt, and freshly ground black pepper.
Mix the dry ingredients thoroughly so the spices are evenly distributed throughout the flour. This gives the entire onion a consistent savory flavor.
4. Coat the Onion Twice
Place the onion into the milk mixture and gently work the liquid between the petals. Make sure the coating reaches as many of the crevices as possible.
Transfer the onion to the seasoned flour and gently shake it so the flour covers the outside and settles between the petals.
Dip the onion into the milk mixture a second time, then coat it with the seasoned flour again. This double coating creates a thicker, crunchier crust and helps cover areas that may have been missed during the first pass.
5. Freeze and Deep-Fry
Place the coated onion on a tray and freeze it for 1–2 hours. Chilling the coated onion helps the flour mixture adhere before it goes into the hot oil.
When you’re ready to fry, heat the vegetable oil to 350°F (175°C). Use a deep, heavy pot and leave plenty of room between the oil and the top of the pot because the onion will cause bubbling when added.
Carefully lower the coated onion into the hot oil and fry for about 10 minutes, or until the coating is deep golden brown and crisp.
Keep the oil temperature as close to 350°F as possible. If it drops too much, the coating can absorb excess oil instead of becoming crisp.
6. Drain and Serve
Carefully remove the fried onion from the oil using a slotted spoon or spider strainer. Let the excess oil drain before transferring it to a paper towel-lined plate.
Serve the Bloomin’ Onion Outback style while it is hot and crisp, with your favorite dipping sauce placed in the center.
How to Get a Crispier Bloomin Onion
The crisp texture depends on a few important details. First, drain the blanched onion very well before coating it. Water left between the petals can weaken the flour coating and cause oil to splatter.
The second coating is also important. The first layer creates a base, while the second adds more seasoned flour to the petals and produces a thicker crust.
Finally, maintain an oil temperature of about 350°F. Cold oil can make the coating greasy, while excessively hot oil can brown the outside before the onion has enough time to become tender.
Common Mistakes to Avoid
Cutting through the root: The root holds the onion together. If you cut through it, the petals can separate completely.
Skipping the second coating: A single coating produces a thinner crust and leaves more of the onion exposed.
Not draining the onion: Excess water can interfere with the flour and create dangerous splattering once the onion enters the oil.
Overcrowding the pot: A large onion already takes up considerable space. Give it enough room for the oil to circulate freely.
Guessing the oil temperature: Use a thermometer whenever possible. Consistent oil temperature is one of the easiest ways to improve deep-fried foods.
Frying until too dark: The coating should be golden brown and crisp rather than very dark. Once the crust is deeply browned, it can develop a bitter taste.
Easy Variations
Adjust the Heat
For a milder blooming onion recipe, reduce or omit the cayenne pepper. If you prefer more heat, increase the cayenne slightly or add a pinch of another ground chili pepper to the flour mixture.
Add More Savory Flavor
A small amount of garlic powder or onion powder can be added to the seasoned flour if you want a more pronounced savory coating.
Make the Coating Extra Crisp
For a slightly different texture, replace part of the all-purpose flour with a small amount of cornstarch. It can create a lighter, crunchier crust while keeping the seasoned flour base intact.
Choose a Mild Onion
Sweet onions are a good choice because their flavor becomes mellow and slightly sweeter during cooking. Avoid very strong onions if you want the seasoning and crispy coating to remain the main flavors.
What to Serve With a Bloomin Onion
A crispy Bloomin Onion works naturally as a shareable appetizer or side dish. Serve it with a creamy dipping sauce in the center so the bloomin onion sauce can be reached easily from all sides.
It also pairs well with grilled or roasted foods, especially burgers, steaks, chicken, and barbecue-style meals. For a casual spread, serve the onion alongside fries, potato wedges, coleslaw, or a fresh salad.
The onion is best served immediately after frying, while the outer petals are still crisp.
Storage and Reheating
A Bloomin Onion is best eaten fresh because the fried coating gradually loses its crispness. If you have leftovers, refrigerate them in an airtight container for up to 3 days.
For better texture, reheat the onion in an air fryer or oven rather than the microwave. Heat until warmed through and crisp again. Avoid reheating at very high temperatures for too long, as the coating can become overly dark.
Outback Steakhouse Bloomin Onion Nutrition Information
Estimated nutrition is based on the listed ingredients and assumes some of the frying oil is absorbed during cooking. Actual values may vary depending on onion size, coating, oil absorption, and serving size.
- Calories: ~420 kcal
- Carbohydrates: ~45 g
- Protein: ~9 g
- Fat: ~23 g
- Saturated Fat: ~4 g
- Cholesterol: ~55 mg
- Sodium: ~1,050 mg
- Fiber: ~4 g
- Sugar: ~8 g
Serving Size: ¼ of one Bloomin Onion
Estimated Servings: 4
Outback Steakhouse Bloomin Onion Recipe
That dramatic flower shape, crisp seasoned coating, and tender onion in the center make the Outback Steakhouse Bloomin Onion a favorite restaurant appetizer. The good news is that you can recreate that experience at home with a large sweet onion, a seasoned flour mixture, and a simple milk-and-egg coating.
Ingredients
- 1 large sweet onion
- 1 cup all-purpose flour
- 1 teaspoon paprika
- ¼ teaspoon cayenne pepper
- ⅛ teaspoon dried thyme
- ⅛ teaspoon dried oregano
- ¼ teaspoon ground cumin
- 1 teaspoon salt
- Freshly ground black pepper
- 1 large egg
- 1 cup whole milk
- 1 gallon vegetable oil
Instructions
1. Prepare the Onion
Cut off the top of the sweet onion and peel it, keeping the root end intact. Carefully trim around the root without cutting through it.
Core out the center, then turn the onion upside down. Make four cuts downward toward the root, stopping well before the base. Make two smaller cuts between each quarter to create additional petals.
Take your time with this step. Even cuts help the onion open evenly while keeping the flower shape intact.
2. Open the Onion Petals
Bring a pot of water to a boil and carefully place the prepared onion into the water for about 1 minute. This brief blanching helps loosen the petals so they open more easily.
Remove the onion and immediately transfer it to ice water. This stops the cooking process and helps prevent the onion from becoming too soft.
Drain the onion thoroughly. Excess water can make the coating difficult to apply and may cause dangerous oil splattering during frying.
3. Make the Seasoned Coating
Whisk the egg and whole milk together in one bowl.
In a separate bowl, combine the all-purpose flour, paprika, cayenne pepper, dried thyme, dried oregano, ground cumin, salt, and freshly ground black pepper.
Mix the dry ingredients thoroughly so the spices are evenly distributed throughout the flour. This gives the entire onion a consistent savory flavor.
4. Coat the Onion Twice
Place the onion into the milk mixture and gently work the liquid between the petals. Make sure the coating reaches as many of the crevices as possible.
Transfer the onion to the seasoned flour and gently shake it so the flour covers the outside and settles between the petals.
Dip the onion into the milk mixture a second time, then coat it with the seasoned flour again. This double coating creates a thicker, crunchier crust and helps cover areas that may have been missed during the first pass.
5. Freeze and Deep-Fry
Place the coated onion on a tray and freeze it for 1–2 hours. Chilling the coated onion helps the flour mixture adhere before it goes into the hot oil.
When you’re ready to fry, heat the vegetable oil to 350°F (175°C). Use a deep, heavy pot and leave plenty of room between the oil and the top of the pot because the onion will cause bubbling when added.
Carefully lower the coated onion into the hot oil and fry for about 10 minutes, or until the coating is deep golden brown and crisp.
Keep the oil temperature as close to 350°F as possible. If it drops too much, the coating can absorb excess oil instead of becoming crisp.
6. Drain and Serve
Carefully remove the fried onion from the oil using a slotted spoon or spider strainer. Let the excess oil drain before transferring it to a paper towel-lined plate.
Serve the Bloomin’ Onion Outback style while it is hot and crisp, with your favorite dipping sauce placed in the center.
Notes
A Bloomin Onion is best eaten fresh because the fried coating gradually loses its crispness. If you have leftovers, refrigerate them in an airtight container for up to 3 days. For better texture, reheat the onion in an air fryer or oven rather than the microwave. Heat until warmed through and crisp again. Avoid reheating at very high temperatures for too long, as the coating can become overly dark.
Nutrition Information:
Yield:
4Serving Size:
1Amount Per Serving: Calories: 270
Frequently Asked Questions About Outback Steakhouse Bloomin Onion Recipe
When you give this Outback Steakhouse Bloomin Onion Recipe a try, you might have a few questions. Don’t worry-we’ve rounded up answers to the most common ones to help you out.
What kind of onion is best for a Bloomin Onion?
A large sweet onion is a good choice because it has a mild flavor and becomes tender and slightly sweeter when cooked. Choose a large, firm onion with a symmetrical shape so the petals are easier to cut evenly.
How do you cut an onion for a Bloomin Onion?
Cut off the top while keeping the root end intact. Remove a small amount from the center, then make four larger cuts downward toward the root without cutting through it. Add two smaller cuts between each quarter to create more petals.
Why do you freeze a Bloomin Onion before frying?
Freezing the coated onion for 1–2 hours helps the seasoned flour coating adhere to the petals. It also makes the coating less likely to fall away when the onion is transferred into the hot oil.
What temperature should you fry a Bloomin Onion?
Heat the vegetable oil to 350°F (175°C) before frying. Maintaining a consistent temperature helps the coating become golden and crisp while giving the onion enough time to become tender.
How long does it take to fry a Bloomin Onion?
It generally takes about 10 minutes when fried at 350°F, although the exact time can vary depending on the size of the onion and the oil temperature. Look for a crisp, golden-brown coating.
Can I make this blooming onion recipe less spicy?
Yes. The cayenne pepper is the main source of heat in the seasoned flour. Reduce it or leave it out for a milder version while keeping the paprika, cumin, thyme, oregano, salt, and black pepper for flavor.
Why is my Bloomin Onion coating falling off?
Excess moisture, insufficient coating, or skipping the freezing step can make the crust more likely to detach. Drain the blanched onion thoroughly, work the milk mixture between the petals, apply both layers of seasoned flour, and freeze the coated onion before frying.
Can I use a different type of oil?
Yes. Use a neutral, high-heat cooking oil suitable for deep-frying. Vegetable oil works well because it has a relatively neutral flavor and can handle the frying temperature required for this recipe.
What sauce goes with an Outback-style Bloomin Onion?
A creamy, slightly spicy dipping sauce is a natural pairing. You can use your favorite restaurant-style dipping sauce or serve it with a sauce based on mayonnaise, ketchup, seasonings, and a little heat.
Can I make this Outback Steakhouse Bloomin Onion ahead of time?
You can prepare and coat the onion several hours ahead and keep it frozen until you’re ready to fry it. For the best texture, fry it shortly before serving rather than cooking it far in advance.
This recipe for Outback Steakhouse Bloomin Onion turns a large sweet onion into a crisp, shareable appetizer with seasoned petals and a tender center. The most important details are keeping the root intact, coating the petals thoroughly, freezing the breaded onion, and maintaining the frying oil at 350°F.
Serve the finished Outback Steakhouse Bloomin Onion hot with a creamy dipping sauce, and you’ll have a restaurant-inspired appetizer that’s especially suited to sharing.
We’d love to hear how this recipe turns out for you! Give it a try, then drop a comment below to share your thoughts and tips with us. You can also follow us on Pinterest, and YouTube for more delicious updates and kitchen inspiration. Your feedback and support mean the world to us!