Giardiniera is a classic Italian condiment that levels up a variety of foods. If you're making it at home, these are the best peppers to use.

The baby jalapeno and the mature serrano look the same, but the serrano has thin flesh and is more spicy. On the other hand, Fresno's shape, color, and size are more similar to those of the jalapeno.

Chili peppers make a spicy addition to all kinds of dishes—Italian arrabbiata, Chinese Kung Pao chicken, Mexican mole sauce and Indian curry are some of our favorites. Different types of chilies ...