Bring Home The Bell with Taco Bell Fire Sauce. Taco Bell makes mealtime more craveable with our Fire taco sauce made with jalapeno peppers, tomato paste, chili pepper and onions. Fire sauce adds serious heat to any dish you pour it on. Drizzle our fire sauce over tacos, burritos, quesadillas, fajitas or nachos, or use as an ingredient for Mexican-style recipes.