Whiskey Butter Sauce - cooking recipe

Ingredients

1 small onion, minced
2 cloves garlic, minced
1/2 cup whiskey
1 tablespoon whiskey
1/4 cup Worcestershire sauce
1 1/2 teaspoons dry mustard
1/4 teaspoon hot pepper sauce
1/4 cup white wine vinegar
1/2 teaspoon salt
1 tablespoon ground black pepper
1 1/2 - 3 cups unsalted butter (cold - cut up in pieces)

Preparation

Combine onion, garlic, 1/2 cup whiskey, worcestershire, hot pepper sauce, vinegar in a saucepan and bring to a boil.
Reduce for 8 to 10 minutes.
Over a low heat, whisk in butter, a few pieces at a time.
Add last Tbsp whiskey.
Sauce consistancy is thin and perfect for a filet mignon or flank steak.