Green Chili Peppers are an essential ingredient in Indian Cooking. They not only add heat to Indian food, but also add an intense depth of flavor. They are typically used in tempering, pickles and sometimes enjoyed raw. Learn about how to buy, use and store this indispensable ingredient.One thing you might find interesting - Growing up in India, the vegetable vendor would typically not charge for green chili and cilantro and add a little to your bag when you purchase any vegetables. They were so prevalent and considered an inherent part of cooking.