Ingredients

• 2 Tbsp butter
• 1 pound beef sirloin, thinly sliced
• 1 pound mushrooms, quartered
• 1/2 cup chopped onion
• 2 tsp dried dill
• 1/2 tsp salt
• 1/4 tsp pepper
• 1/4 cup dry white wine
• 1/2 cup sour creme