In a bowl, add the ground beef, bread crumbs, and eggs. Then mix.
Incorporate the salt, pepper, chili powder, barbecue sauce, and onion, and mix until everything is well incorporated.
Form small meatballs.
Place meatballs into the slow cooker, and cover with the heavy cream and broth.
Cook on high for four hours.
Serve, and enjoy.
Make some extra meatballs. These freeze well!