Preheat to 400°F. Line a baking sheet with parchment or foil.
In a large bowl, gently combine the ground beef, uncooked rice, onion, garlic, egg, Montreal steak seasoning, catsup and milk.
Mix just until combined. Don’t overwork it. (If your steak seasoning is very coarse, crush it lightly in your palm before adding.)
Use a standard ice cream scoop (about 2 tablespoons) to portion evenly sized meatballs. Place on the prepared baking sheet. This makes about 15 meatballs.
Spritz the meatballs with nonstick cooking spray (this will help them brown). Bake for 15–18 minutes, until lightly browned but not fully cooked through.
In a 9x13 baking dish, stir together the pasta sauce, tomato soup, water, Worcestershire and cabbage.
Reduce oven temperature to 350°F. Nestle the partially baked meatballs into the sauce and cover tightly with heavy duty alunimum foil.
Bake 50-55 minutes, until the rice is tender and the meatballs reach 160°F. Let rest covered with foil for 10 minutes before serving.