Cayenne peppers are the slender elongated chili peppers that belong to the nightshade family. This variety of chilli peppers is considered to be moderately ranging from 30000 to 50000 SHU on the Scoville scale. Cayenne peppers have a varied range of cooking applications including stir-frying, boiling, sauteing, or they can be used raw for that extra heat. Cayenne peppers are native to French Guiana and derive their name from the region. The peppers grow up to 10-15 cm in length and 1-4 cm in diameter. The dark green skin of the peppers is glossy and smooth and the flesh on the inside is pale white with white seeds. The heat of the pepper will go on increasing as the pepper turns from green to red.