Reduce oven temperature to 350°F. Spread 1 cup vegetable purée onto bottom of 13x9-inch baking dish sprayed with cooking spray. Heat tortillas in skillet to soften. Spoon about 3 Tbsp. chopped vegetable mixture down centre of each tortilla; roll up. Place, seam sides down, in prepared baking dish; top with remaining vegetable purée and cheese. Cover.