You'll need:
In skillet, cook and stir beef and onion in the butter until meat is tender. Stir in the flour, seasoned salt, garlic, pepper and mushrooms. Cook for about 5 minutes constantly stirring. Remove from the heat and then stir in the sour. Simmer uncovered for about 10 minutes. Stir in the sour cream and heat through. Serve over the noodles.
Quick Beef Stroganoff