Shrimp a la Diabla 2 Guajillo chile peppers, 5 Arbol chile peppers,5 Serrano chile peppers,1 28-oz Can tomato puree,1 Stick of butter,1 Medium onion, finely chopped,1/2 Head of garlic, minced, 2 Lbs prawns, peeled and de-veined, tail intact.Salt to taste