Chiles are the main ingredients for salsa. The salsa will vary in hotness depending on which peppers are used. Chile peppers also can be used as a meat rub to add flavor. With so many peppers to choose from, do some research before adding them to your meals. Some types of peppers include Jalapeños. They turn from green to dark purple, and finally to red when they are ripe. They are very hot and a good choice for salsa. They are the most well known pepper. Habanero peppers are the hottest of all. They are orange in color, but look similar to sweet green peppers, only smaller. They are also used in salsa. Poblano peppers are the biggest peppers used in Mexican food. They can be mild or hot and are often used in a sauce. Ancho peppers are dried Poblano peppers. They carry a mild flavor and are reddish-brown in color. Ancho peppers are the most common chile peppers used and commonly found in sauces.