Mama's Fab-u-lous Fajitas

Ingredients (10)

• + ¼ cup lime juice add to pantry
• + ¼ cup chopped fresh cilantro add to pantry
• + ½ jalapeno pepper, seeded and minced add to pantry
• + 2 tablespoons olive oil add to pantry
• ✓ 2 cloves garlic, minced
• + 1 teaspoon ground cumin add to pantry
• + 1 ½ pounds beef skirt steak, cut across the grain into 1/2-inch strips add to pantry
• + 1 yellow onion, cut into 1/2-inch strips add to pantry
• ✓ 3 red bell peppers, cut into 1/2-inch strips
• + 2 teaspoons vegetable oil, divided, or as needed add to pantry