In a large crockpot, place beef stew meat pieces, chopped onion, whole mushrooms, beef broth, 4 oz. cream cheese (1/2 required amount), & Worchestershire sauce.
Cook for 6 hours on low heat or 4 hours on high heat.
20 minutes before end of cook time, add additional 4 oz. cream cheese, sour cream, & heavy whipping cream. Stir thoroughly and replace cover.
In a large pot, boil water & cook entire package of egg noodles until soft. After 20 minutes of added ingredients to crockpot have cooked, pour in all noodles & stir together.
Salt & pepper to taste. Serve while warm & pair with wine of choice.