- 15 minutes
- 20 minutes
- In a medium saucepan, place the milk, garlic powder, flour, water, butter, salt, and pepper. Cook until the sauce is thickened.
- Add the Swiss and the squash to the sauce and mix well.
- Transfer the mixture to a 9x9-inch baking dish and top with the crushed crackers and a sprinkle of Parmesan. Bake in a 375-degree oven for 20 minutes.