Onion And Mushroom Sauce

Ingredients

• 1 ounce butter
• ½ ounce onion, minced
• 1 tablespoon mushroom ketchup
• 1 tablespoon port wine
• ½ cup broth
• ¼ teaspoon pepper
• ¼ teaspoon salt
• 1 teaspoon mustard
• juice of ½ lemon
• 1-2 teaspoons vinegar or tarragon

Method

1. 1 Melt butter in a saucepan over medium heat.
2. 2 Add minced onion and sauté with a wooden spoon until lightly browned.
3. 3 Stir in mushroom ketchup and port wine.
4. 4 Add broth, pepper, and salt; bring to a boil.
5. 5 Remove from heat and stir in mustard, lemon juice, and vinegar or tarragon.