Combine chiles, 1 cup queso blanco or Muenster cheese, and heavy cream in a blender and puree until smooth. Heat olive oil and slowly add the cheese mixture, stirring constantly. Simmer the sauce for 5 minutes or until it thickens.
Pepper Book" has a recipe for Papas a la Huancaina that is a dis= h of boiled potatoes topped with cheese and a sauce that is probably=