Slice Twinkies® in half lengthwise and place cream-side up, in a single layer in a 13x9–inch baking dish.
Using a mixer, blend together cream cheese, confectioners sugar, cinnamon, vanilla extract and 1/2 of whipped topping until smooth. Spread evenly over Twinkies®.
Combine pudding mixes, Harvest Pumpkin Dip Mix and milk.
Whisk until well blended and layer over cream cheese mixture/layer. Carefully spread remaining whipped topping over pumpkin layer.
Lightly sprinkle with ground cinnamon for garnish.
Refrigerate several hours or until set. Makes 9 to 12 servings.