Savory Steak Sauce - cooking recipe

Ingredients

2 Tbsp. butter
1 Tbsp. finely chopped onion
1/3 c. tomato catsup
1/2 c. sliced fresh mushrooms
2/3 c. table wine or broth
1 Tbsp. chopped parsley

Preparation

Melt butter; add mushrooms and onion and saute lightly.
Add all remaining ingredients and simmer about 5 minutes.
Serve over broiled steak or hamburger patties.
Serve with beef tenderloin. Makes about 1 cup sauce.