1 pound jack cheese, shredded
1 pound cheddar cheese, shredded
2 large cans whole chiles
1 pint sour cream
Combine cheeses. Line botom of a 9x13 pan with half the green chiles. Top with half of the cheese, then the other half of the green chiles, then top with the remainder of the cheese. Mix together the eggs and sour cream and pour over the top. Bake, uncovered at 350 degrees for 1 hour.