Baked Mac N Cheese with Breadcrumbs and Red Onions

INGREDIENTS

12 oz

elbow macaroni pasta

3 cups

yellow finely grated sharp cheddar cheese, divided

1/2 cup

sour cream

1/4 cup

butter, softened plus 1 Tbsp for skillet

medium red onion – diced

1/4 tsp

parsley

Salt and pepper

3 cups

milk, if you want the casserole creamier add more milk

1/2 cup

Progresso bread crumbs