The Cactus Blossom or Onion Blossom at Texas Roadhouse is a fried onion dish. Its unique name comes from how the appetizer looks like a blossomed cactus.
Roadhouse uses large Texas-sized onions to create Cactus Blossom. It is served with Cajun Horseradish sauce. Texas Roadhouse’s Onion Blossom is one of its most popular appetizers, costing $5.99.
Cactus Blossom Recipe (Similar to Texas Roadhouse)

Ingredients
- Texas-style large onion: 1 piece
- Canola oil
For the Seasoned Flour:
Name | Unit |
Flou | 1 cup |
Garlic powder | 1 tsp |
Paprika | 2 tsp |
Black pepper | ½ tsp |
Sugar | 1 tsp |
For the Batter:
Name | Unit |
Flour | ¾ cup |
Beer | 12 oz. |
Paprika | 1 tbsp |
Cornstarch | 1 ½ cup |
Garlic powder | 1 tsp |
Salt | ½ tsp |
Cayenne pepper | ⅛ tsp |
Pepper | ¾ tsp |
Garlic salt | 1 tsp |
For the Legendary Roadhouse Horseradish Fipping Sauce:
Name | Unit |
Horseradish sauce | 2 tbsp |
Mayonnaise | 1 cup |
Cayenne pepper | ¼ tsp |
Chili Sauce | ¼ cup |
Sour cream | 1 cup |
Instructions
- Mix all ingredients of the dipping sauce in a medium bowl. Refrigerate the dipping while cooking the onions.
- Heat the oil to 375–400 degrees Fahrenheit in a deep fryer or big stock pot.
- Make the seasoned flour by mixing all the ingredients mentioned above. Flour and seasonings should be well-whisked together.
- Cut off 3/4 inch of the onion’s root end using a knife. Cut 12 to 16 slices into the trimmed end while moving clockwise. Near the opposite root end of the onion, leave about an inch uncut.
- From each onion, remove about one inch of petals from the center. Apply a generous layer of seasoned flour to the onions. Peel the petals back just enough to allow the flour to get between them, but leave them in place.
- Combine the batter ingredients. Make sure everything is smooth when whisking the batter.
- Dip the floured onion into the batter. Drain the onion of any extra batter.
- Using a fryer basket, carefully add the battered onions one at a time to the boiling oil. Cook for another 90 seconds after flipping after about 90 seconds.
- To drain, put the onion on a plate lined with paper towels.
- Place the onion on a serving plate and top with a cup of dipping sauce.
The Nutritional Values of Texas Roadhouse Cactus Blossom

Each serving of Cactus Blossom from Texas Roadhouse Contains:
Calories: | 2250 |
Carbs: | 236g |
Fat: | 135g |
Sodium: | 5000mg |
Cholesterol: | 15mg |
More than half of the calories of cactus blossom comes from fat. Moreover, it contains dairy (buttermilk) and is therefore not vegan!
Cactus Blossom Vs. Blooming Onion at Texas Roadhouse
Blooming onion is another name for cactus blossom at Texas Roadhouse. It’s a unique appetizer made of a large onion and is known as Cactus Blossom on the Roadhouse menu.