Preheat oven to 350 degrees and line baking dish with parchment paper.
Using a standing mixer, cream together the butter, peanut butter and sugar until light and fluff
Beat in the eggs, one at a time until combined
Beat in the vanilla
Using a medium mixing bowl, whisk together the flour and baking powder
Gradually mix in the dry ingredients with the wet until combined
Using about 2/3 of the dough, evenly spread the dough onto the bottom of the baking dish
Spread the strawberry jam on top of the bottom layer
Crumble remaining dough on top of the jam
Bake in the preheated oven for 30-35 or until the top is lightly golden brown
Remove from oven and allow to cool completely before cutting into bars and enjoying!