1 lb Flank steak
1/4 c  Sauterne wine
1 tb Soy sauce
1    Clove garlic -- minced
10 1/2 oz Beef broth
1 tb Catsup
1 ts Mustard
1 tb Minced onions
2 tb Cornstarch
2 tb Water
1/4 lb Fresh much -- sliced

Place steak in slow-cooking pot. Combine sauterne, 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 control to igh; cover and cook on high 20 to 30 minutes or
until mushrooms are done.