Ingredients

• 1 lb sliced mushrooms
• 4 tablespoons butter
• 2 tablespoons flour
• 2 teaspoons chicken broth
• 1 1/2 cups sour cream
• 2 tablespoons lemon juice
• 1 teaspoon garlic powder
• 2 teaspoons onion powder
• 1/2 teaspoon nutmeg
• 1/2 teaspoon tarragon
• 1/4 teaspoon salt