01 -
Turn your oven to 375°F (190°C). Put parchment paper in a 9x13 inch baking dish.
02 -
Stir together flour, baking powder, and sea salt in a big bowl. Put it aside.
03 -
In a different bowl, stir butter and peanut butter until they're creamy.
04 -
Add both white and brown sugars bit by bit, stirring until the mix looks airy and light.
05 -
Drop in eggs one after another, mixing well each time. Pour in the vanilla and stir.
06 -
Slowly add the flour mix into the butter mix, stirring just enough to combine.
07 -
Carefully fold chocolate and peanut butter chips into your batter.
08 -
Push the dough flat across your paper-lined baking dish.
09 -
Let it bake for 25-30 minutes until the sides turn golden and a toothpick stuck in the middle comes out mostly without batter.
10 -
Wait for the bars to cool completely. Then lift them out with the paper and cut into squares.