Storage: Store fresh pasilla chilies in your refrigerator.
Shelf Life: 10-12 days.

Fresh pasilla chilies are often roasted over an open flame (
how to roast chilies), then their outer skin is peeled off and they are seeded & de-stemmed before being used in recipes. Try using them in soups, egg dishes, sauces, vegetable side dishes and tamales.
Chile Recipes & Techniques