-monterey jack, and colby, -grated In 9x13 inch pan, spray with Pam. Spread half of cooked macaroni in pan. Sprinkle half of each cheese on top, using monterey jack in middle. Dot with butter, and pour half of egg on top. Pour evaporated milk on top (maybe about quarter scant half of can). Repeat. Bake at 350-375F until cooked throughout, and top is brownish. Very rich, but delish. Freezes well.