Steak and Ale Sauteed Mushrooms

1 lb mushrooms
4 tablespoons butter
4 tablespoons margarine
1/4 cup chopped onions
2 teaspoons beef base
1 teaspoon garlic powder
1 teaspoon black pepper
1 cup red Burgundy wine

Wash mushrooms in hot water.
Melt butter and margarine; add beef base, onion, garlic powder and black pepper.
Simmer mushrooms in mixture until soft.
Add wine.