Mushroom Stroganoff

Salt (1/4 tsp)
Pepper (1tsp)
Garlic salt/powder
1-2 tsp flour
2T butter
2 T olive oil
1 can crm of mushroom soup
1 med onion
8oz mushrooms
1 can (15oz?) Beef or vegetable broth
1 c sour cream

Slice mushrooms and onion. Cook in butter and oil until soft. Sprinkle flour over mixture and season with salt/pepper/garlic powder. Mix in.
Add soup and broth, cook over medium heat until thickened, stirring frequently. Allow to cool. Mix in sour cream. Serve over egg noodles.