Prep Time 10 minutes mins
Cook Time 25 minutes mins
Total Time 35 minutes mins
1 lb elbow macaroni or cavatappi4 tbsp unsalted butter4 tbsp all-purpose flour4 cups whole milk2 cups shredded sharp cheddar cheese1 cup shredded Gruyère cheese1 cup shredded mozzarella cheese1 tsp salt½ tsp mustard powder½ tsp smoked paprika1 cup breadcrumbs2 tbsp butter (melted, for topping)
Let the dish rest for 10 minutes before serving. You can assemble ahead and refrigerate up to 2 days before baking.