Easy Stuffed Mushrooms
["large mushrooms", "ground beef", "shredded Mozzarella cheese", "sour cream", "gravy", "onion"]
["Cut off stems and hollow out mushroom tops.", "Brown ground beef and onion.", "Add enough gravy (jar or canned gravy is okay) just to hold meat together.", "Coat inside of each mushroom cap with sour cream.", "Spoon in meat mixture and top with shredded cheese.", "Bake on lightly greased cookie sheet, uncovered, at 450\u00b0 for 15 to 20 minutes.", "Serve on warm platter."]
["mushrooms", "ground beef", "Mozzarella cheese", "sour cream", "gravy", "onion"]