Preheat oven to 450. Spray 8" baking dish with cooking spray; set aside.
Brown meat in large skillet over medium high heat, drain. Stir in Manwich and Veggies.
Reduce heat to low; cook 5 minutes, stirring occasionally.
Remove from heat.
Top with tater tots; press lightly into meat mixture.
Bake 25 to 30 minutes, or until tater tots are lightly browned and meat mixture is heated through.
Add cheese to top, bake another 5 mins.
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