Hot Beef Dip
["1/4 c. chopped onion", "1 Tbsp. margarine", "1 (8 oz.) pkg. cream cheese", "1 c. milk", "1 (4 oz.) can mushrooms", "1 (2 1/2 oz.) pkg. sliced beef, chopped", "1/4 c. grated Parmesan cheese", "2 Tbsp. chopped parsley"]
["Mix together.", "Keep warm in crock-pot while dipping. Refrigerate."]
["onion", "margarine", "cream cheese", "milk", "mushrooms", "beef", "Parmesan cheese", "parsley"]