Creamy Bow Ties with Mushrooms and Onions

Description
This is a recipe I obtained from an Estate sale. I obtained it when I purchased the family collection from the Corrigan Estate in Justin, Texas in 1992.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * ½ cup milk
 * ¼ cup evaporated milk
 * ¼ cup half and half
 * 2½ tablespoons butter
 * 3 tablespoons grated parmesan cheese
 * 1½ tablespoons flour
 * 3 cloves garlic minced
 * 1 teaspoon freshly ground black pepper
 * ¼ cup onions chopped
 * 1 cup mushrooms sliced
 * 1 pound bow tie pasta cooked and drained

Directions

 * 1) Sauté onions and mushrooms then set aside.
 * 2) Mix milks and half and half together in pan over low heat.
 * 3) Stir constantly for five minutes then whisk in butter and parmesan.
 * 4) After five minutes stir in flour ½ tablespoon at a time.
 * 5) Stir vigorously over high heat then add mushrooms and onions.
 * 6) Right before serving add pepper and garlic then serve sauce over cooked pasta.