Preheat oven to 350.

Spray a 9 x 13" glass baking dish or cake pan with cooking spray.

In a mixing bowl, blend cake mix, eggs, melted butter and applesauce on medium until fully incorporated.

Stir in white chocolate chips and spread into greased pan.

Bake for 25 - 30 minutes, or until a toothpick comes out clean.

Melt 1/4 cup of white chocolate and a 1/4 tsp of shortening in the microwave for 20 seconds, stir until smooth.

Drizzle across the blondies and let cool on a baking rack for 30 minutes.