Gather all ingredients. Preheat the oven to 350 degrees F (175 degrees C). Wrap tortillas in foil. Bake wrapped tortillas in the preheated oven until heated through, about 15 minutes. Meanwhile, heat oil in a 10-inch skillet over medium heat. Add onion, bell pepper, garlic, and jalapeño; cook and stir for 2 minutes. Stir in…