Instructions

1. Preheat your oven to 350º and prepare an 8"x8" baking pan with cooking spray.
2. In the bowl of your stand mixer beat the flour, brown sugar and butter (first 3 ingredients) until crumbly.
3. Press the mixture into the bottom of your pan and bake for 12-13 minutes.
4. Remove the crust from the oven and evenly sprinkle on the chocolate chips, peanut butter chips and peanuts.
5. In a saucepan over medium heat cook the 4 Tbs butter and remaining 1/4 c brown sugar until it begins to boil, stir constantly and cook an additional minute.
6. Pour the mixture over the chip layer and bake for 12-13 minutes, until the edges are set.
7. Cool in the pan completely, slice and serve.