Slow Cooker Macaroni And Cheese

INGREDIENTS

1 16 ounce package

elbow macaroni, cooked

2 cups

sharp cheddar cheese, grated

1 cup

provolone cheese, grated

1/2 cup

parmesan cheese, grated

1 cup

sour cream

1/2 8 ounce package

cream cheese, room temperature

1 12 ounce can

evaporated milk

1 tsp

garlic powder

1 tsp

onion powder

1/2 tsp

dry mustard powder

1/4 tsp

nutmeg

kosher salt and freshly ground pepper,