16 ounces macaroni
16 ounces Monterey Jack cheese, cubed
16 ounces Colby cheese, cubed
16 ounces Velveeta (cubed)
1 stick of butter, cut into slices
16 ounces milk
salt & pepper, to taste
Spray crockpot lightly with cooking spray. Layer 1/3 of the macaroni in bottom. Layer half of cheese, butter, salt & pepper. Repeat, ending with last 1/3 of macaroni on top. Pour milk over mixture.
Cook on low for about 4 hours and stir about mid-way.