What is espuela de gallo?

Espuela de gallo is a type of hot chili pepper, also known as rooster spur chili or bird's beak chili. It is small, thin, and can be red or green. It is common in Mexican cuisine, particularly in sauces and salsas, and has a medium level of spiciness, with a Scoville heat rating of around 8,000 to 10,000. The name "espuela de gallo" translates to "rooster spur," which comes from the pepper's small size and shape resembling a rooster's spur. It is similar in taste and heat level to the more commonly known serrano pepper.