Flank Steak In Mushroom Sauce

Ingredients

1 flank steak
1/4 cup sauterne wine
1 tablespoon soy sauce
1 clove garlic
1 package beef broth
1 tablespoon catsup
1 teaspoon prepared mustard
1 tablespoon instant onion
2 tablespoons cornstarch
2 tablespoons water
1/4 pound 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.