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Easy Sheet Pan Steak Fajitas (Whole30, Paleo, Keto)

Easy Sheet Pan Steak Fajitas (Whole30, Paleo, Keto) - marinated flank steak with a homemade fajita seasoning, peppers and onions. A quick and easy one pan meal the whole family will love!
Prep Time10 mins
Cook Time15 mins
Total Time25 mins
Course: Main Course
Cuisine: Mexican
Servings: 4 servings
Calories: 458kcal

Ingredients

  • 2 lbs flank steak
  • 16 ounces mini bell peppers halved
  • 1 medium onion sliced
  • 3 tablespoons avocado oil
  • 2.5 tablespoons homemade taco & fajita seasoning
  • 2 teaspoons minced garlic
  • 1 lime
  • 2 tablespoons cilantro

Instructions

  • Combine 2 tablespoons of the avocado oil with 1.5 tablespoons of the seasoning and the garlic.  Pour over flank steak and marinate for at least 30 minutes.
  • Preheat oven to 400 degrees.  Place the peppers and onion on a large baking sheet with the remaining oil and and seasoning.  Stir to coat and spread to outside edges of the baking sheet.
  • Place the flank steak in the middle of the pan and bake for 12-15 minutes, or until desired doneness.
  • Remove from oven and let steak rest at least 5 minutes before slicing into thin strips (across the grain.)  Add a squeeze of lime juice and chopped cilantro to the pan.

Nutrition

Calories: 458kcal | Carbohydrates: 12g | Protein: 50g | Fat: 22g | Saturated Fat: 5g | Cholesterol: 136mg | Sodium: 126mg | Potassium: 1079mg | Fiber: 3g | Sugar: 6g | Vitamin A: 3565IU | Vitamin C: 152.5mg | Calcium: 72mg | Iron: 4.1mg