"Sizzling keto chicken fajita in cast-iron skillet with colorful bell peppers, caramelized onions, garnished with fresh cilantro, lime wedges, and avocado on a rustic surface"

KETO CHICKEN FAJITA SKILLET

KETO CHICKEN FAJITA SKILLET

A vibrant one-pan dinner ready in 30 minutes

Overhead view of raw ingredients including bell peppers, chicken strips, and spices on a dark marble countertop in a professional kitchen

KEY INFO

  • Prep Time: 10 minutes
  • Cook Time: 20-25 minutes
  • Total Time: 30-35 minutes
  • Servings: 4-6
  • Calories: 385 per serving
  • Fat: 22g
  • Protein: 42g
  • Net Carbs: 6g
  • Difficulty: Easy
  • Dietary: Keto, Low-Carb, Gluten-Free

EQUIPMENT NEEDED

  • Large skillet or cast-iron pan (12-inch recommended)
  • Sharp knife
  • Cutting board
  • Meat thermometer (optional)

INGREDIENTS

Protein & Vegetables:
  • 1.5 lbs chicken breast, sliced into ½-inch strips (680g)
  • 3 bell peppers (red, green, yellow), sliced (about 450g)
  • 1 medium onion, sliced (about 150g)
  • 2 tbsp avocado oil (30ml)
Seasoning Mix:
  • 1 tsp cumin
  • 1 tsp chili powder
  • 1 tsp garlic powder
  • 1 tsp paprika
  • ½ tsp oregano
  • 1 tsp salt
  • ¼ tsp black pepper
Optional Toppings:
  • Fresh lime wedges
  • Sliced avocado
  • Fresh cilantro
  • Sour cream
Close-up image of vibrant spices like paprika, chili powder, cumin, and oregano being mixed in a rustic ceramic bowl under soft lighting

METHOD

    1. Mix all seasonings in a small bowl
    2. Heat skillet over medium-high heat with 1 tbsp oil
    3. Add chicken strips, cook for 8-10 minutes until golden brown and internal temperature reaches 165°F/74°C
Chicken strips sizzling and browning in a smoking hot cast-iron skillet with steam rising, illuminated by dramatic side lighting

    1. Remove chicken, set aside
    2. Add remaining oil and vegetables to the same pan
    3. Cook for 5-7 minutes until peppers are tender-crisp with slight char marks
Multicolored bell peppers and onions charring in a skillet, with steam rising

  1. Return chicken to pan, add seasoning mix
  2. Toss everything together for 2-3 minutes until well combined and heated through

CRUCIAL TIPS

  • Slice chicken against the grain for tenderness
  • Don’t overcrowd the pan – cook in batches if needed
  • Let pan get properly hot before adding chicken
  • Keep vegetables slightly crisp – don’t overcook

STORAGE & REHEATING

  • Keeps in fridge: 3-4 days
  • Freeze: Up to 2 months
  • Reheat: Skillet preferred over microwave

COMMON MISTAKES

  • Using cold chicken straight from fridge
  • Overcooking the vegetables
  • Not letting pan get hot enough
  • Stirring too frequently

VARIATIONS

  • Protein swap: Use shrimp (cook 2-3 minutes per side)
  • Spice level: Add cayenne or fresh jalapeños
  • Low-oxalate: Skip bell peppers, use zucchini instead
  • Vegetarian: Substitute chicken with mushrooms
Overhead view of sizzling fajitas in a rustic cast-iron pan with cilantro, lime wedges and avocado, under professional lighting

NET CARBS BREAKDOWN

  • Bell peppers: 4g per serving
  • Onion: 2g per serving
  • Seasonings: Trace amounts

This recipe delivers restaurant-quality fajitas while keeping it strictly keto. The key is getting that perfect char on both chicken and vegetables while maintaining the meat’s juiciness.

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