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platter of beef fajita with peppers, onions, corn and soft tortillas

Southwestern Sheep Pan Beef Fajitas

Taco Tuesday just got a whole lot better with these no mess, no fuss fajitas cooked on a sheet pan and ready in 30 minutes.
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Course: Main Course, Main Meal, tacos, tex mex
Cuisine: TexMex/American
Keyword: easy dinner, easy recipe, faitas, sheet pan dinners, Taco Tuesday
Prep Time: 10 minutes
Cook Time: 30 minutes
Marinating time: 2 hours
Total Time: 2 hours 40 minutes
Servings: 4
Author: Laura Franco

Ingredients 

Steak Marinade

  • 2 tbsp extra virgin olive oil
  • 2 tbsp fresh lime juice
  • 1 tbsp minced garlic
  • 2 tbsp fresh chopped cilantro
  • 1 tbsp sugar
  • 1 teaspoon cumin
  • 1 teaspoon paprika
  • 1 teaspoon chili powder
  • 1 teaspoon onion powder
  • 1 teaspoon salt
  • 1 teaspoon black pepper

Fajitas

  • 1 1-2 lb. flat iron steak
  • 2 ears corn on the cob
  • 2 bell peppers
  • 1 onion
  • 2 tbsp chopped cilantro
  • 2 tbsp olive oil
  • 1 teaspoon chili powder
  • 1 teaspoon cumin
  • 1/2 teaspoon ground cinnamon
  • 1 teaspoon fresh lime juice
  • 1 teaspoon salt
  • 1 teaspoon black pepper

Instructions

For the Marinade

  • Trim the flat iron steak of any excess large pieces of fat.
  • Chop the fresh cilantro leaves.
  • Mix the marinade ingredients in a large zip-top bag.
  • Add the steak to the bag. Place in the refrigerator for 2-4 hours.

For the Fajitas

  • Cut the corn off of the cob.
  • Slice the onion and bell peppers.
  • Preheat oven for 425°.
  • Once the steak is marinated, remove it from the bag and place it on a large sheet pan. slices, and fresh cilantro. 
  • Add the corn, onions, and peppers to the sheet pan.
  • Drizzle the vegetables with olive oil and sprinkle with cumin, paprika, cinnamon, and the juice of 1/2 lime.
  • Stir the vegetables to combine the oil, spices, and lime juice.
  • Cook for 20-30 minutes or until the steak is 130° for medium-rare.
  • When the fajitas are cooked, remove them from the oven, cover loosely with foil, and let them sit for 5-7 minutes.
  • Slice the steak and serve directly from the sheet pan or plate everything on a family-sized platter.
  • Serve with Pico de Gallo, soft tortillas, lime slices, and fresh cilantro.