Brown meat with onions and garlic in large skillet; drain. Return meat mixture to skillet.
Combine cheese, coating mix and Dry Rub.
Add half the cheese mixture to meat mixture along with the mixed vegetables and tomato sauce; stir. Cook 5 min. or until heated through, stirring frequently.
Spoon into 2-qt. casserole sprayed with cooking spray; cover with potatoes. Top with remaining cheese mixture.