Preheat the oven to 350 degrees.
Cream together butter and peanut butter.
1 stick Butter room temperature, 1/2 cup Peanut Butter
Then, add in brown sugar and sugar.
1/2 cup Sugar, 1/2 cup Brown Sugar packed
After the sugar has been fully incorporated, add in a mashed banana and vanilla extract.
1 Banana, 1 teaspoon Vanilla Extract
Then add in flour, baking powder, and salt.
1 3/4 cups Flour, 1 teaspoon Baking Powder, Pinch Salt
Once the mixture is almost mixed together, chop up chocolate and add to cookie dough.
1/2 cup Dark Chocolate Bar
Using a medium cookie scoop, scoop out the dough onto a parchment lined baking sheet.
Bake for about 15 minutes when the edges are golden brown.
Let cool and enjoy!