Brown beef in large skillet over medium-high heat 6-8minsm, stirring to break up meat. Drain fat

Coat inside of Crock Pot slow cooker with nonstick cooking spray. Stir pasta sauce and water, add mushrooms, stir to combine. Stir in meat, red pepper flakes, and tortellini, cover; cook on low 2hours or on high 1 hour, stir.

Cover cook on low 2 to 2 1/2 hours or on high 1/2 to 1 hour or until pasta is tender. Top with cheese. Garnish with parsley