Beef Stroganoff

cooked noodles
about 1/2 pound beef
1/2 onion
1/2 C sliced mushrooms
1 can cream of mush or chicken soup
1/4 C ketchup

cook noodles (only for time indicated, drain under cold water, add a little veg oil to water while boiling)
in fry pan cook (don't overcook) hamburger, onion and mushrooms over med heat together
separately mix ketchup, can soup, and 1/2 can milk and 1/2 C sour cream
then pour over hamb mixture, heat til warm and serve over noodles