2 packets brown gravy mix
1/2 - 3/4 cup sour cream
Brown hamburger with onion and season with some salt and pepper. Make brown gravy according to the instructions on gravy packet. When gravy is made, add sour cream to gravy mixing until it is all blended. Add as much ground beef to the gravy as you want. Cook egg noodles according to directions on noodle package. Serve beef gravy over the noodles.
When ever I ask the girls what they want for dinner, this is the first thing they say. There are usually not any leftovers when I fix this. I'm not a mushroom fan, but I'm sure you can through mushrooms in there somewhere.