Add the following ingredients to a large bowl and using your hands, mix all of the ingredients together so that a large ball forms - veggie ground crumbles, rice, onion, egg, ketchup, mustard, salt, celery salt, pepper, and garlic powder
Using an ice cream scoop, scoop portions of the mixture and form into balls using the palms of your hands
Place them (tightly packed) in a deep roasting pan
In a separate bowl, whisk together the ketchup, mustard, Worcestershire sauce, soy sauce, brown sugar, white vinegar, and water.
Poor the mixture evenly over the meatballs
Bake, covered, for 30 minutes
Remove the cover and return to the oven for an additional 20 minutes
Serve immediately
Notes
There are two ingredients lists for this recipe, both separated by the asterisks.