INGREDIENTS
8 oz
dry macaroni
1/2
sweet onion, chopped
1 clove
garlic, minced
1/4 cup
unsalted butter
3 tbsp
all-purpose flour
2 cups
whole or 2% milk
2 cups
grated cheddar cheese
1 tsp
dried mustard (optional)
2 cups
shredded cooked chicken (See Recipe Note)
1/4 tsp
salt
1/4 tsp
black pepper
2 tbsp
unsalted butter
3/4 cup
breadcrumbs, such as panko