Heat the oil in a large, deep skillet with a tight-fitting lid over medium heat; add cutlets and cook for 2 minutes per side or until browned.
Add next 8 ingredients (oregano through zucchini); cook for 5 to 7 minutes or until vegetables are tender-crisp.
Add tomatoes and tomato sauce; bring to a light boil and cook for an additional 5 minutes or until cutlets are cooked through. Stir in cottage cheese then top with Mozzarella cheese.
Cover skillet and remove from heat; allow to sit for 5 minutes or until Mozzarella has melted. Serve.