Flank Steak In Mushroom Sauce

Ingredients

1 flank steak
60 ml sauterne wine
16 ml soy sauce
1 clove garlic
1 package beef broth
16 ml catsup
5 ml prepared mustard
6 gr instant onion
16 gr cornstarch
30 ml water
40 gr mushrooms

Instructions

Place steak in crockpot. Combine wine, soy sauce, garlic, broth, catsup, mustard and onion; pour over steak. Cover and cook on low for 6 to 8 hours. Dissolve cornstarch in water; stir into pot. Add mushrooms. Turn to high; cover and cook on high 20 to 30 minutes. From Crockery Cookery by Mable Hoffman.