1 tablespoon vegetable oil 1 (16 ounce) package elbow macaroni
9 tablespoons butter
1/2 cup shredded Muenster cheese
1/2 cup shredded Cheddar cheese
1/2 cup shredded sharp Cheddar cheese
1/2 cup shredded Monterey Jack cheese
1 1/2 cups half-and-half
8 ounces cubed processed cheese food
2 eggs, beaten 1/4 teaspoon salt
1/8 teaspoon ground black pepper
