For the Mac and Cheese:
| Ingredient | Quantity |
|---|---|
| Elbow macaroni | 2 cups |
| Unsalted butter | 3 tablespoons |
| All-purpose flour | 3 tablespoons |
| Whole milk | 2 cups |
| Heavy cream | 1 cup |
| Shredded cheddar cheese | 2 cups |
| Shredded mozzarella cheese | 1 cup |
| Salt | 1/2 teaspoon |
| Black pepper | 1/4 teaspoon |