Heat oven to 375 degrees F. Butter 13 x 9 x 2-inch glass baking dish.
Arrange potatoes slices, overlapping, in alternating layers in prepared baking dish; there should be about 3 layers of each.
Combine cream, milk, garlic, salt and red pepper in small saucepan. Bring to boiling. Carefully pour over potatoes.
Bake in 375 degree oven for 30 minutes. Gently press down top of potatoes with spatula or large wood spoon. Spoon cream mixture over potatoes. Sprinkle top with cheese. Bake another 30 minutes or until potatoes are tender and top is nicely browned. Let stand 15 minutes before serving. Makes 16 servings.