Heat large nonstick skillet over medium heat until hot. Add Ground Beef; cook 8 to 10 minutes, breaking into ¾-inch crumbles and stirring occasionally. Pour off drippings. Remove Ground Beef from skillet.
In the same skillet add olive oil, zucchini, onion, and mushrooms. Sautee for 3 to 5 minutes.
Stir in water and pasta; bring to a boil. Reduce heat; cover and cook 7 to 11 minutes or until pasta is almost tender. Add Ground Beef back to skillet; continue to cook 4 to 6 minutes or until pasta is tender and sauce is slightly thickened, stirring occasionally. Garnish with Parmesan cheese, if desired.
Recipe by Mom to Mom Nutrition at https://momtomomnutrition.com/food-and-recipes/ground-beef-tortellini-skillet/