These Peanut Butter and Jelly Bars are rich and peanut buttery, slathered with jam and the perfect lunch box or after school treat!
Preheat oven to 350 degrees. Spray an 8x8 baking dish with nonstick cooking spray. Set aside.
In a medium bowl, whisk together flour, baking powder and salt.
To the bowl of a stand mixer fitted with a paddle attachment, add butter and peanut butter and mix on medium speed for one minute until combined. Add sugars and continue to mix until smooth. Add egg and vanilla and mix until smooth. Add the flour mixture and mix on low speed until just incorporated.
Transfer half of the dough to the prepared baking dish. Press evenly into the bottom of the dish. Spread the preserves evenly over the dough. Add small clumps of the remaining dough over the top of the jam. (as pictured) Sprinkle with the dry roasted nuts. Bake until golden brown, about 30 minutes. Remove from over and cool on wire rack. Cut into 9 large squares and the cut each square in half on the diagonal. Bars can be stored in airtight container at room temperature.