Stir inthe tomato sauce and water, mustard and vinegar and bring to bubbling over medium heat. Stir in the homemade sloppy joe mix and let simmer for 5-10 minutes.
Prepare side dish.
Spoon the rice into a serving bowl, add some sloppy joe meat and then top with the shredded cheese.
Serve Sloppy Joe Bowls with fresh fruit or veggies.