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Easy Sheet Pan Fajitas

Yummy, low-carb (S) fajitas for the family!
Prep Time 15 mins
Cook Time 15 mins


  • 12 oz round steak, sliced *add more steak for a bigger family, bigger eaters, or leftovers!
  • 1 large yellow onion
  • 3 bell peppers
  • 2 tbsp avocado oil or olive oil
  • 2 limes, juiced
  • 2 tbsp taco seasoning or fajita seasoning
  • 1 tsp paprika
  • 1/2 - 1 tsp chili powder start with 1/2 tsp chili powder and add more to your family's heat preference
  • salt and pepper to taste
  • 6 low-carb tortillas (optional)
  • sour cream for topping (optional)
  • sliced avocado or guacamole for topping (optional) (up to 1/2 sliced avocado for a Trim Healthy Mama)
  • 1 lb grated cheddar cheese for topping (optional)
  • 1 jar salsa for topping (optional)
  • 1 head of Romaine lettuce for making into a salad (optional)
  • 8 oz sliced grape tomatoes for topping (optional)


  • Preheat oven to 400.
    Slice the onion and bell pepper into thin slices.
    Combine lime juice, chili powder, paprika, and taco seasoning in a small bowl.
    Rub the steak with lime juice and seasoning mixture, then slice thinly against the grain.
    Drizzle oil on a large baking sheet. Add veggies to the baking sheet and drizzle with more oil, then sprinkle with salt and pepper and toss.
    Add steak slices to the pan and arrange steak and veggies in a single layer.
    Bake for 10 minutes in a pre-heated oven, turning steak once, until steak is cooked to desired temperature/doneness and onions are translucent.
    Serve with toppings and low-carb tortillas if desired.