- Combine the ground beef, veal, and pork.
- Soak breadcrumbs in milk.
- Cook onion in butter until tender.
- Combine meat, soaked bread crumbs, cooked onion, half-and-half, parsley, salt, ginger, and pepper.
- Shape the mixture into meatballs, about 1 inch in diameter.
- Very lightly brown the meatballs in a pan over medium heat. Remove meatballs from the pan, and reserve.
- After lightly browning meatballs, stir the flour into the meatball drippings in the pan, then add the half-and-half, butter, and coffee. Heat and stir until thickened.
- Either add meatballs and gravy to a slow cooker and simmer until ready to eat, or add meatballs to sauce in pan and simmer for 10 minutes.
- Serve hot.