Flat-Top Fajitas - Masterbuilt

Ingredients

• 2 tablespoons olive oil
• 1 pound beef (flank steak or skirt steak), thinly sliced
• Salt and pepper, to taste
• 1 teaspoon red pepper flakes (adjust to taste)
• 1/2 teaspoon cayenne pepper (adjust to taste)
• 1 green bell pepper, thinly sliced
• 1 red bell pepper, thinly sliced
• 1 yellow onion, thinly sliced
• 2 cloves garlic, minced
• Warm flour tortillas, for serving