Place eggs in a medium bowl and beat. Add both cans of milk and salt and pepper. Mix well. Set aside. In a large casserole dish- layer half of the cooked noodles then sprinkle with 2 cups of cheese. Place half of the sliced butter evenly spaced over cheese. Repeat the layer with other half of noodles and cheese. Stir the milk egg mixture again then pour the mixture evenly over casserole. Dot with the remaining butter slices. Bake at 350* for about 45 minutes or until casserole is bubbly and and set. Let stand a few minutes before serving.