Tue. Oct 7th, 2025

Keto Air Fryer Beef Fajitas are a quick dish that has all the robust flavor of classic fajitas without tortillas. Thin marinated beef strips combined with vibrant bell peppers and onions are air-fried to perfection. The end product is a tender, juicy steak with smoky, spicy flavor and slightly scorched veggies. Serve these fajitas on cauliflower rice, in lettuce wraps, or with slices of creamy avocado for added taste and good fats. The air fryer keeps everything light and crisp while simplifying cleanup. Keto Air Fryer Beef Fajitas is an easy meal that combines the convenience, nutrition, and restaurant-quality flavor that fits seamlessly into your low-carb regimen.

Free Keto Meal Plan: STEP-BY-STEP KETO DIET PLAN FOR BEGINNERS

STATS:

  • Calories: 285 kcal
  • Preparation duration: Ten minutes
  • Serving size: 1 bowl
  • Cook time: 12 minutes
  • Cuisine: Mexican
  • Total time: 22 minutes
  • Course: Main Course
  • Diet: Keto
  • Serving: 4

EQUIPMENT:

  • Air fryer
  • Chopping board
  • Mixing dish
  • Knife
  • Tongs

INGREDIENTS:

  • 1 lb. flank steak
  • 1 red bell pepper
  • One tbsp. olive oil
  • 1 yellow bell pepper
  • One & ½ tsp. chili powder
  • 1 green bell pepper
  • 1 small onion
  • ½ tsp. cumin
  • One tsp. smoked paprika
  • ½ tsp. garlic powder
  • ½ tsp. salt
  • ¼ tsp. black pepper
  • 1 tbsp. lime juice

INGREDIENT NOTES:

FLANK STEAK:

  • Flank steak cooks quickly and maintains its juicy texture when cut thin against the grain. You can also use skirt or sirloin steak for a comparable taste and texture.

BELL PEPPER:

  • Green, yellow, and red bell peppers provide natural color and taste while containing few carbohydrates. The dish looks colorful and delicious when colors are mixed together.

ONIONS:

  • Onions add the subtle caramelized flavor that harmonizes well with the steak and balances the seasonings.

OLIVE OIL:

  • The ingredients are equally coated with olive oil, which aids in their perfect cooking and crisping in the air fryer.

CHILI POWDER:

  • Classic fajitas are defined by the smoky, gentle spice that chili powder adds. It goes well with cumin and lime juice for a taste reminiscent to Mexican cuisine.

SMOKED PAPRIKA:

  • The delicate smokiness of smoked paprika enhances the beef, which enriches the flavor. Utilize regular paprika to provide mild smoky taste.

CUMIN POWDER:

  • Chili powder and paprika go well with cumin, which adds earthy warmth. It’s essential to getting the real fajita spice.

GARLIC POWDER:

  • A savory taste from the garlic powder complements the meat and spices. It’s simpler to use than raw garlic for even taste distribution.

SALT:

  • Salt provides the regular taste of the beef and boost the taste of all the other components. Adapt the amount to your preferred sodium level and flavor.

BLACK PEPPER:

  • Black pepper balances the richness of the steak and olive oil while adding a hint of fire. Fresh black pepper provides the strong flavor.

LIME JUICE:

  • Lime juice gives a touch of tart freshness and enhances the dish. Additionally, it aids in gently tenderizing the meat before to cooking.

Free Keto Meal Plan: STEP-BY-STEP KETO DIET PLAN FOR BEGINNERS

INSTRUCTIONS:

  1. Warm the air fryer at 400 degrees F.
  2. Add the beef slices, bell peppers, onions, olive oil, and all the ingredients to a dish.
  3. Mix everything together to coat them evenly.
  4. We arrange the mixture in a single layer within the basket.
  5. Cook the meat for 10-12 minutes.
  6. Shake them in the halfway, till the vegetables are crisp-edged & tender.
  7. Stir the cooked Air Fryer Beef Fajitas again and drizzle them with lime juice before serving.

SERVING SUGGESTIONS:

PROTEIN:

  • Grilled Chicken
  • Shrimp Fajitas
  • Steak Strips

SIDE DISH:

  • Cauliflower Rice
  • Keto Tortillas
  • Zucchini Noodles

ADD-ONs:

  • Guacamole
  • Sour Cream
  • Shredded Cheese

GARNISH:

  • Fresh Cilantro
  • Avocado Slices
  • Lime Wedges

TIPS:

  • We have to make thin slices of beef so we can cook them evenly and fast.
  • Cook the dish in batches in the basket is small otherwise meat will not get cook properly.
  • Marinate the beef for thirty minutes to provide more taste in the dish.
  • Utilize pre-slice vegetables for the convenience.

STORAGE INFORMATION:

FRIDGE:

  • Put the fajitas in the air tight vessel and store the dish for three days.

FREEZER:

  • Freeze the cool fajita in the bag for two months.

FAQs:

Can I prepare fajita with chicken?

  • We can easily prepare these fajitas with chicken with same seasoning and procedure; though adjust the cooking time.

Will we have to change the side of fajitas in air fryer?

  • Yes; it helps to cook more evenly so we have to flip the fajitas in between the time.

Can we make this dish with frozen vegetables?

  • It is best to sue the fresh ones for the best texture but frozen vegetables also works.

Free Keto Meal Plan: STEP-BY-STEP KETO DIET PLAN FOR BEGINNERS

NUTRITIONAL INFORMATION:

Calories: 285 kcal

Net carbs: 6g

Total carbs: 9g

Fiber: 3g

Protein: 28g

Fat: 16g

Calcium: 48g

Iron: 2.6g

Vitamin A: 42g

Sodium: 540g

Potassium: 510g

Serving size: 1 bowl

Serving: 4

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