Peanut butter Chocolate Bars

Cant remember if I have posted this recipe before. But its good.

1 plain yellow cake mix
1/2 cup melted butter
1 cup peanut butter
2 eggs
1 (12 oz) semi sweet chocolate chips
1 (14 oz) can sweetened condensed milk
2 T butter
2 tsp vanilla
Directions
Preheat oven 325 degree
Combine cake mix, melted butter, peanut butter, & eggs in a large bowl using a mixer or a spoon. Press into 9x13 pan reserving 1 1/2 cup of the mixture to crumble on top
In small bowl melt chocolate chips, milk & butter, add vanilla (you can also add coconut at this time if you want)
Spread chocolate mixture over the mixture pressed in the pan & then crumble the 1 1/2 cups of reserved cake mix on top.
Bake 20-25 minutes , cool completely before cutting the bars.