One-Pan Steak Fajitas | America's Test Kitchen

Ingredients

• 3 red bell peppers, stemmed, seeded, and cut into ½-inch-wide strips
• 1 large red onion, cut into ½-inch-thick rounds
• 3 garlic cloves, sliced thin
• 1 tablespoon vegetable oil
• Salt and pepper
• 1 1/2 tablespoons chili powder
• 1 teaspoon packed brown sugar
• 1 (1½-pound) flank steaks, trimmed
• 8 (6-inch) flour tortilla
• 1 tablespoon lime juice
• 2 tablespoons chopped fresh cilantro