Melt butter; add beef, onion, garlic, and mushrooms. Saute' until meat loses red color and onion tender, stirring with fork to break up the meat. Add wine, lemon juice, bouillon cubes and water. Simmer uncovered for 10 minutes. Add noodles, cover and simmer for 15 minutes or til noodles are tender, adding more water if necessary. Season with salt and pepper. Stir in sour cream and heat gently. Sprinkle with
