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Quick and flavorful air fryer steak bites with sweet bell peppers, purple onions, herbs, and spices. Ready in under 15 minutes, this keto, gluten-free, Whole30, and sugar-free recipe delivers juicy, crispy steak bites with tender peppers.

Ingredients

Scale
  • 1 lb. steak, any cut you prefer
  • 1 tablespoon avocado oil or extra virgin olive oil (EVOO)
  • ½ large red bell pepper
  • ½ large yellow bell pepper
  • ½ green bell pepper
  • 1/3 cup purple onion, chopped (optional)
  • 1 tablespoon chopped fresh parsley for garnish (optional)
  • 1 teaspoon onion powder
  • ½ teaspoon garlic powder
  • ½ teaspoon dried thyme
  • ¼ teaspoon black pepper
  • 1 teaspoon paprika
  • ½ teaspoon crushed red pepper flakes
  • ¼ teaspoon dried thyme
  • Salt to taste (about 1/8 to ¼ teaspoon)

Instructions

  1. Cut steak into evenly sized bite-sized cubes; cut red, yellow, and green bell peppers into pieces and chop purple onion if using.
  2. Place steak cubes in a bowl, add 1 tablespoon avocado oil or EVOO and the steak seasoning (onion powder, garlic powder, dried thyme, black pepper), and toss to coat.
  3. Cover and refrigerate to marinate for at least 30 minutes (up to 24 hours if desired).
  4. Preheat air fryer to 350°F (optional).
  5. Line the air fryer basket with parchment paper and arrange the marinated steak bites in a single layer.
  6. Air fry the steak bites at 350°F for 8 minutes, checking for desired doneness.
  7. Carefully remove the parchment paper from the basket.
  8. Add the bell peppers and onions to the basket, sprinkle with bell pepper seasoning (paprika, crushed red pepper flakes, dried thyme, salt), and gently toss with a spatula to combine.
  9. Lightly spritz the peppers and onions with oil (optional) to help them crisp.
  10. Air fry everything for an additional 5 minutes, until peppers are tender and steak is cooked to preference.
  11. If you want the steak bites more well done or crisp, air fry an extra 2–3 minutes.

Notes

Cut steak bites evenly for consistent cooking., Always season steak bites well to enhance flavor., Use any preferred steak cut including strip steak, top sirloin, T-bone, filet mignon, ribeye, or beef chuck steak., Marinate for at least 30 minutes to tenderize and boost flavor; marinating overnight is optional., Avoid overcooking to maintain juiciness; adjust cooking time if making more than 1 lb., Every air fryer model cooks differently; monitor steaks to achieve perfect doneness., Do not cook frozen steak bites; thaw before cooking., Cook the steak bites first before adding peppers to keep vegetables vibrant and crisp., Adjust crushed red pepper flakes according to preferred spice level., Light oil spray on peppers helps crisping.

Nutrition

Find it online: https://creamychef.com/air-fryer-steak-bites-and-peppers-pepper-steak/