1 - 2 pounds stew beef
2 cans cream of mushroom soup
1 packed Lipton onion soup mix (or mushroom/onion)
1 can sliced mushrooms with the juice
Mix everything together, throw in a crockpot, cook on low all day. Serve over noodles, with a colorful veggie on the side.
If you want to use fresh mushrooms, add 1/4 cup water to the mixture in the morning, and then throw the fresh mushrooms in right at the end for about 20-30 minutes. (I think this would be good with onions too, but my husband dislikes them).