Alfredo Regatta

1/2 cup milk
1/4 cup evaporated milk
1/4 cup half and half
2 1/2 tablespoons butter
3 tablespoons grated Parmesan cheese
1 1/2 tablespoons flour
3 cloves garlic, minced
fresh black pepper to taste
onions and mushrooms, as desired
pasta of choice, cooked and drained

Saute onions and mushrooms, set aside. Mix first three ingredients in pan over low heat. Stir five minutes. With whisk add butter & grated Parmesan. After five minutes, stir in flour 1/2 tablespoon at a time. Stir vigorously over high heat. Add mushrooms and onions. Add fresh pepper & garlic last.Serve over pasta.