Chilies Rellenos Casserole

Ingredients

• 2 (4 ounce) cans green chilies (peeled, whole, mild & well-drained)
• 1 tablespoon butter or 1 tablespoon margarine
• 1/2 cup onion (chopped)
• 8 eggs
• 1 cup sour cream
• 3/4 cup all-purpose flour
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper
• 6 corn tortillas (5 1/2 in size, cut into sml pieces)
• 2 cups shredded monterey jack cheese (roughly 8 oz by weight)
• sour cream (to serve as garnish)
• salsa (to serve as garnish)