Step 1

Preheat your oven to 350 degrees. Line a 9x13 inch pan with aluminum foil for easy removal of the bars. Spray with cooking spray and set aside.

Step 2

In a microwave safe bowl or using a double broiler, melt the 3/4 cup of butter and chopped dark chocolate. Stirring ever 30 seconds being careful not to let the chocolate burn.

Step 3

Whisk sugar and brown sugar to the melted chocolate mixture. Then add the vanilla and eggs until it it is fully incorporated. Lastly, stir the flour until incorporated.

Step 4

Pour this mixture into your prepared 9x13 inch pan. Sprinkle with 3/4 cups chocolate chips and set aside.

Step 5

To make the cheesecake layer, in a stand mixer using the paddle attachment, cream together the cream cheese and softened butter about 2 minutes until fluffy. Mix in the egg, sugar, salt, and vanilla on high for another 2 minutes. Mix in the peanut butter for 2 minutes.

Step 6

Pour the cream cheese layer over the brownie layer and spread it out so that it is smooth on the top and completely covers the brownie layer. Bake for 35-40 minutes. The top and edges should be slightly golden and the center is set.

Step 7

Let the bars completely cool and refrigerate for at least an hour or overnight before serving.