3 meatballs baked not Recipes

ground meat (think any meat, but i mostly use beef or beef and pork in equal parts), flour, baking powder (not baking soda), salt & pepper, vinegar (ordinary kind and this depends on your taste)

onion (or 1/2 small ), stalk celery, fresh parsley (or 2 tsp dried parsley flakes), water, worcestershire sauce, egg (or energ replacer as directed on package), salt, pepper, lean ground beef, ground lean pork, quick oats (not old-fashioned), all-purpose flour, baking powder, salt, egg, egg whites (or energ egg replacer prepared as per package, equivalent to 2 eggs to replace egg and egg white), milk, butter, melted, beef broth (or same amount made from pan drippings from baking a second batch of meatballs plain), water, flour