The primary ingredient in gazpacho is tomatoes. This cold Spanish soup is traditionally made with fresh, ripe tomatoes blended with other vegetables, such as cucumbers, bell peppers, onions, garlic, and olive oil. It is especially popular during the hot summer months due to its refreshing taste and nutritional benefits. Gazpacho is often served chilled, making it a perfect appetizer or light meal. The combination of ingredients provides a vibrant and flavorful dish that highlights the freshness of seasonal produce.