How do I keep this recipe from turning soggy?

Cook in a single layer, leave space for airflow, and avoid adding too much oil or sauce before the food has crisped.

Can I adjust the seasoning?

Yes. Keep the same cooking method and adjust salt, spice, herbs, citrus, or sauce to match your taste.

How do I know the (225g) lean ground beef (90% lean) is done?

Use the visual cues in the instructions first: the outside should be browned or crisp and the center should be hot and tender. For meat or seafood, confirm doneness with a food thermometer.

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Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli

Name: Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Yield: 6 servings
Cuisine: American
Ingredients: 1/2 lb (225g) lean ground beef (90% lean); 1 cup finely chopped cauliflower florets (about 100g); 1/4 cup finely diced onion; 1 clove garlic, minced; 1/4 cup grated Parmesan cheese; 1 large egg, lightly beaten; 1/4 cup almond flour; 1 teaspoon Worcestershire sauce; 1/2 teaspoon smoked paprika; 1/2 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper; 6 mini slider buns (or low-carb buns for keto option); Cooking spray (preferably avocado or olive oil); 1/3 cup mayonnaise; 2 teaspoons prepared horseradish (adjust to taste); 1 teaspoon fresh lemon juice; 1/4 teaspoon garlic powder; Salt and pepper to taste; Lettuce leaves; Thinly sliced tomatoes; Pickles

By Airfryfeast Test KitchenReviewed by Airfryfeast Editorial TeamPublished May 12, 2026 · Updated Jun 17, 2026

American 30 mins air-fryer-friendlyhealthylow-carbhigh-proteincrispeasyquickkid-friendlyfamily-friendlylow-fatweeknight-dinnerv2

Enjoy these crispy, low-carb beef and cauliflower sliders made in the air fryer, featuring a zesty horseradish aioli. A quick, healthy, and family-friendly twist on classic sliders perfect for weeknight dinners.

Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli

Prep 15 min

Cook 15 min

Total 30 min

Servings 6

Difficulty easy

Cuisine American

Ingredients

Servings 6

1/2 lb (225g) lean ground beef (90% lean)
1 cup finely chopped cauliflower florets (about 100g)
1/4 cup finely diced onion
1 clove garlic, minced
1/4 cup grated Parmesan cheese
1 large egg, lightly beaten
1/4 cup almond flour
1 teaspoon Worcestershire sauce
1/2 teaspoon smoked paprika
1/2 teaspoon kosher salt
1/4 teaspoon freshly ground black pepper
6 mini slider buns (or low-carb buns for keto option)
Cooking spray (preferably avocado or olive oil)
1/3 cup mayonnaise
2 teaspoons prepared horseradish (adjust to taste)
1 teaspoon fresh lemon juice
1/4 teaspoon garlic powder
Salt and pepper to taste
Lettuce leaves
Thinly sliced tomatoes
Pickles

Ingredients for Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli

Instructions

Preheat your air fryer to 375°F (190°C) for 5 minutes.
In a large bowl, combine ground beef, finely chopped cauliflower, diced onion, minced garlic, grated Parmesan, beaten egg, almond flour, Worcestershire sauce, smoked paprika, salt, and pepper.
Mix gently but thoroughly using your hands or a spatula until all ingredients are well incorporated, being careful not to overwork the meat.
Divide the mixture into 6 equal portions and shape each into a compact patty about 2.5 inches (6 cm) wide, slightly smaller than the slider buns as they will shrink slightly during cooking.
Lightly spray the air fryer basket with cooking spray to prevent sticking.
Arrange the patties in a single layer without overcrowding; cook in batches if needed depending on your air fryer’s capacity.
Air fry the patties at 375°F (190°C) for 10-12 minutes, flipping halfway through (around 6 minutes), until fully cooked (internal temperature 160°F/71°C) and the exterior is crisp and golden.
While patties cook, whisk together mayonnaise, horseradish, lemon juice, garlic powder, salt, and pepper in a small bowl for the horseradish aioli. Adjust horseradish amount to taste.
Remove cooked patties and let them rest for 2 minutes.
Optionally, toast slider buns in the air fryer for 1-2 minutes to enhance texture.
Assemble each slider by spreading horseradish aioli on the bottom bun, layering with a beef-cauliflower patty, lettuce, tomato slices, and pickles if using, then topping with the bun.
Serve immediately for the best crispiness and enjoy these wholesome, family-friendly sliders packed with flavor and nutrition.

Air Fryer Beef and Cauliflower Patty Sliders cooking in the air fryer

Tips

Air Fryer Model Notes

Cook Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli in a single layer when possible. Basket models may need batches; oven-style models may need a tray rotation halfway through for even browning.

Crispiness Control

Pat the lean ground beef dry, avoid crowding, and use only a light coat of oil or sauce before cooking. Add wet sauces near the end when you want the outside to stay crisp.

Doneness Cues

Look for browned edges, a hot center, and the texture described in the instructions. For meat or seafood, confirm doneness with a thermometer instead of relying only on color.

Reheat In The Air Fryer

Reheat leftovers at 325 F to 350 F in a single layer until hot and crisp again. Add fresh herbs, citrus, or sauce after reheating.

Frequently Asked Questions

Can I make Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli ahead of time?: You can prep the ingredients and seasoning ahead, but air fry close to serving for the best texture.
How do I keep this recipe from turning soggy?: Cook in a single layer, leave space for airflow, and avoid adding too much oil or sauce before the food has crisped.
Can I adjust the seasoning?: Yes. Keep the same cooking method and adjust salt, spice, herbs, citrus, or sauce to match your taste.
How do I know the (225g) lean ground beef (90% lean) is done?: Use the visual cues in the instructions first: the outside should be browned or crisp and the center should be hot and tender. For meat or seafood, confirm doneness with a food thermometer.

Ingredient Replacements

Adapt these Air Fryer Beef and Cauliflower Patty Sliders to dietary needs or flavor preferences with these ingredient swaps:

Ground Beef: Substitute with lean ground turkey, chicken, or plant-based meat alternatives for lower fat or vegan options.
Cauliflower: Replace with finely chopped broccoli or grated zucchini (well-squeezed) to maintain texture and variety.
Parmesan Cheese: Use nutritional yeast for vegan or dairy-free versions, or swap with sharp cheddar for a different taste.
Almond Flour: Swap with gluten-free breadcrumbs, crushed pork rinds for keto compliance, or regular breadcrumbs for a budget-friendly choice.
Egg: Use a flaxseed or chia egg (1 tbsp ground seed + 3 tbsp water) as a vegan binder alternative.
Worcestershire Sauce: Substitute with tamari or coconut aminos to keep it gluten-free and vegan-friendly.
Slider Buns: Opt for low-carb buns for keto, lettuce wraps for paleo or low-carb needs, or whole grain buns for added fiber.
Mayonnaise: Try vegan mayo or mashed avocado for a dairy-free, healthier aioli alternative.

These substitutions keep the recipe flexible, inclusive, and full of flavor without sacrificing texture or nutrition.

Storage

Store leftover Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli in an airtight container in the refrigerator for up to 3 days. Cool the food before sealing so excess steam does not soften the texture.

Freeze only if the main ingredient and coating are freezer-friendly. Wrap tightly and freeze for up to 1 month, then thaw overnight in the refrigerator before reheating.

Reheat in the air fryer at 325 F to 350 F in a single layer until hot and crisp again. Add fresh herbs, citrus, or sauce after reheating for the best flavor.

Read related air fryer guides and cooking tips.

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Air Fryer Beef and Cauliflower Patty Sliders with Horseradish Aioli

Recipe Details

Ingredients

Instructions