mix beef, onion, cream of mushroom soup, cream of onion soup, chopped mushroom, peas, garlic, and black pepper in crock pot.

cook on low for 8 hours stirring occasionally

stir in cream cheese until melted

stir in sour cream, dry mustard, and chives

cook on low for 15 minutes

pour over cooked penne noodles and sprinkle lightly with paprika