Texas Roadhouse Cactus Blossom Recipe (Copycat)

The Cactus Blossom is the most photographed food at Texas Roadhouse: a whole onion cut into a bloom, battered, fried gold and served with Cajun horseradish sauce for $8.99. Making one at home is a project with a payoff, and the technique is more approachable than the result suggests. This guide covers the cut, the batter, the fry and the sauce, plus the air fryer escape route.

Cutting the Bloom

Start with the biggest sweet onion in the store, ideally a softball-sized Vidalia. Slice off the top half inch, peel it, and set it cut-side down. Starting a half inch from the root, cut downward through to the board, making 16 evenly spaced cuts around the onion like spokes. Flip it over and coax the petals apart gently.

A 15-minute soak in ice water opens the petals further and crisps the onion. Dry it aggressively afterward; water is the enemy of every step that follows.

Batter and Fry

Dredge: whisk 1½ cups flour with 2 teaspoons paprika, 1 teaspoon each garlic powder and salt, and ½ teaspoon cayenne. Wet: 2 eggs beaten with 1 cup milk. Flour the whole bloom first, working powder between every petal, then pour the egg wash through it, then flour again. The double coat is what survives the oil.

Fry at 375°F, petals down first, 3 minutes, then flip for 2 more until deep gold. The pot needs to be big enough to submerge the bloom; a Dutch oven with 3 inches of oil does it. Drain cut-side down, salt immediately.

The Cajun Horseradish Sauce

Whisk ½ cup mayonnaise, 2 tablespoons prepared horseradish, 1 tablespoon ketchup, 1 teaspoon Cajun seasoning and a pinch of cayenne. Chill it while the onion fries. This sauce is half the dish and the restaurant knows it, which is why refills of it appear with suspicious speed.

Air Fryer Version

It works with expectations managed: batter as above, spray the bloom heavily with oil, air fry at 375°F for 20 to 25 minutes. The petals crisp; the interior steams softer than the deep-fried original. For the true 2,500-calorie experience the restaurant sells the real thing nightly, and the Cactus Blossom menu page has the current price and details.