Preheat the oven to 350°F and line a baking tray with parchment paper.
Using a handheld or stand mixer with a paddle attached, beat butter, brown sugar, and sugar together on medium speed for 2 minutes. It will be light in colour and fluffy.
1/2 cup butter, 1/2 cup brown sugar, 3 tbsp white sugar
Add in peanut butter and vanilla. Continue on mixing on medium speed.
1/2 cup creamy peanut butter, 2 tsps vanilla
Add in the egg. Turn the mixer on high and beat for 2 minutes.
1 egg
Fold in the flour and baking soda until just combined. Make sure not to overmix!
1 + 1/3 cups all-purpose flour, 3/4 tsps baking soda
Toss in the mini chocolate chips and mix.
1/2 cup mini chocolate chips
Using a large cookie scoop, scoop 3-4 tbsp per dough. Roll into balls and place onto the parchment paper. Bake six cookies at a time for 10-13 minutes.
Bake until the cookies are slightly golden on the edges. Top with extra mini chocolate chips. Allow to cool on the baking tray for 5 minutes before transferring to a cooling tray. Enjoy!