Preheat the grill to 325F.
As that heats, cut the roast into four steaks
Coat these evenly with oil, salt, and pepper on all sides.
Sear for three minutes on each side
Let them set.
Chop the onion, garlic, and mushrooms; set aside
Heat an iron skillet
Add the ¼ cup olive oil, onion, garlic, and mushrooms, and saute until translucent.
While those cook cut the steak against the grain into ½” morsels
Add them to the skillet
Pour in the beer or wine, Worcestershire, broth, and simmer for 1 hour with the lid in place.
Remove the lid and simmer for another hour
Add the sour cream and stir
Keep the heat on low
Cook up your egg noodles
If the sauce looks thin, you can add flour or cornstarch
Butter your egg noodles
Place noodles into serving dishes with the meat mix ladled over top.