In a large skillet, crumble together beef and sausage. Cook over medium heat, stirring until meat is browned. Add onion and garlic ; cook until onion is limp. Drain off fat.

Line a 9x9x2 in. baking dish with half of the chilies, top with remaining chilies, set aside.

Beat together eggs and flour until smooth, add milk, salt and Tabasco, blend well.

Pour the egg mixture over casserole. Bake covered at 350 for about 40 min. or until knife inserted off center comes out clean. Sprinkle remaining 1/2 cup cheese on top. Let stand 5 minutes before serving.