INGREDIENTS
2 tbsp
unsalted butter
1 lb
90% lean ground beef
1/4 tsp
black pepper
1 tsp
kosher salt
8 oz
elbow macaroni
2 cups
whole milk
1 1/4 cups
water
1/4 tsp
dry mustard
1/4 tsp
paprika
1/4 tsp
garlic powder
1/8 tsp
cayenne pepper
1 1/2 cups
sharp cheddar cheese
1/2 cup
american cheese
2 tbsp
fresh chives
1/4 cup
panko breadcrumbs
1
scallion