Cubanelle

The Cubanelle, also known as "Cuban pepper", is a variety of sweet pepper of the species Capsicum annuum. When unripe, it is light yellowish-green in color, but will turn bright red if allowed to ripen. Compared to bell peppers it has thinner flesh, is longer, and has a slightly more wrinkled appearance. It is used extensively in the cuisine of Cuba, the Dominican Republic and Puerto Rico.