Cook ziti according to package directions. In a saucepan, add butter or margarine. Clean shrimp and scallop with fresh water. Add the seafood to butter, add onion, peppers, and stir until golden brown. Add milk and cheese and the cube bouillon. Let boil until cheese is melted.
In an oven pan put ziti. Mix ziti with Miracle Whip. Pour the seafood mixture on ziti and mix well (add some parmesan cheese on top) optional.
Put in oven for 1 hour on 325°F. Let warm and serve with some wine.