Brown the meat and set aside.
Remove the excess fat, leaving about 2 tablespoons and cook the onion and pepper over medium heat for 3-4 minutes.
Add in zucchini and mushrooms, cook another 3-4 minutes before adding in garlic and cooking another minute.
Stir in cooked meat and the rest of the ingredients.
Simmer on medium for at least 15 minutes, or reduce to low and cook until ready to eat.