Step 1

Heat oven to 350°F. Spray bottom and sides of 13x9-inch pan with cooking spray.

Step 2

In large bowl, beat pudding mix and milk with whisk about 2 minutes or until thickened. Stir in cake mix, pumpkin, cinnamon and ginger until well mixed. Spread batter evenly in bottom of pan (mixture will be thick). Reserve 1/3 cup of the toffee bits, and sprinkle remaining toffee bits on top.

Step 3

Bake 29 to 33 minutes or until toothpick inserted in center of cake comes out almost clean. Cool completely in pan, about 1 hour 30 minutes.

Step 4

Heat frosting in microwavable bowl 10 to 15 seconds or until easy to drizzle. Drizzle frosting over cake; sprinkle with reserved 1/3 cup toffee bits.