Question: what are cowhorn peppers used for?
Answer: Cooking with Cow Horn Peppers You can use them as part of the Cajun Holy Trinity (onions, celery and peppers) to start any sort of meal, such as Cajun Chicken and Sausage Gumbo. Cow horns make great chili powders, so you can dehydrate them then grind them into a powder that you cause for just about anything.