Mocha Oreo Cake

Mocha Oreo Cake

Chocolate Fudge Cake Layers:
* Betty Crocker Chocolate Fudge cake mix (yes I cheated, but only to save time!)
* 3 egg yolks
* 1 cup unsweetened applesauce
* 1 1/3 cup water

Cookies and Cream Filling:
* 8 oz Nufchatel cream cheese, at room temperature
* 1 tsp vanilla extract
* 1 1/2 cup heavy whipping cream
* 2 cups powdered sugar
* 1/4 package Oreos, chopped

Mocha Mousse Frosting:
* 6 oz semisweet chocolate
* 2 sticks unsalted butter, at room temperature
* 1 egg yolk, at room temperature
* 1 tsp pure vanilla extract
* 1 1/4 cups powdered sugar
* 1 tbsp instant coffee powder