Creamy Mac and Cheese

adventuresofadiymom.com

2 c. uncooked elbow macaroni - then boil 7 minutes
4 T. butter, melted
2 1/2 c. cheddar cheese, grated
1/2 c. sour cream
1 can condensed cheddar soup
1/2 t. salt
1 c. milk
1/2 t. dry mustard
1/2 t. black pepper

Stir all ingredients together in crockpot. Cook on low 3 hours.