Guajillo is a type of dried chili pepper commonly used in Mexican cuisine. It is known for its deep red color and mild to medium heat, typically ranging from 2,500 to 5,000 Scoville Heat Units. The flavor of guajillo is rich and slightly fruity, with hints of berry and tea, making it a popular choice for salsas, sauces, and marinades. These peppers are often used in traditional dishes like mole and adobo. Guajillo peppers can be found in various forms, including whole, powdered, or as part of spice blends. They are an essential ingredient in many recipes, adding depth and complexity to the flavor profile.