Banana peppers are mild, yellow-green chili peppers that are commonly used in various dishes. They are typically about 2 to 8 inches long and have a sweet, tangy flavor. These peppers can be eaten fresh, pickled, or cooked, making them a versatile ingredient in salads, sandwiches, and pizzas. Originating from South America, banana peppers are often found in grocery stores and farmers' markets. They are low in calories and rich in vitamins A and C, contributing to a healthy diet. Their mild heat level makes them suitable for those who prefer less spicy foods.