INGREDIENTS
- 3 tablespoons butter
- ½ large onion, chopped
- 3 cups finely chopped fresh spinach or ¾ cup frozen chopped spinach (thawed and squeezed dry)
- 2 tablespoons all-purpose flour
- 3 ½ cups milk
- ¾ cup water
- 2 ½ cups uncooked elbow macaroni
- 8 ounces cheddar cheese, shredded (2 cups shredded)