01 -
In a medium bowl, combine all-purpose flour and baking soda, then set aside.
02 -
In the bowl of a stand mixer fitted with a paddle attachment or in a large bowl using an electric hand mixer, beat together the creamy peanut butter and unsalted butter until completely smooth.
03 -
Add light brown sugar and granulated sugar to the butter mixture, mixing until fully blended and creamy.
04 -
Beat in eggs one at a time, ensuring each is fully incorporated, followed by vanilla extract.
05 -
Add the flour and baking soda mixture into the wet ingredients, stirring on low speed just until combined. Scrape sides of the bowl as needed.
06 -
Fold in the old-fashioned oats and peanut butter chips by hand or mixer on low until barely combined. Do not overmix.
07 -
Cover the bowl with plastic wrap and refrigerate the dough for 30 minutes to ensure ideal texture.
08 -
Preheat the oven to 175°C. Line baking trays with parchment paper.
09 -
Roll about 1.5 tablespoons of chilled dough into balls with your hands and arrange on prepared trays spaced 8 cm apart. Optionally, top with extra peanut butter chips.
10 -
Bake in the centre of the oven for 11 to 13 minutes, until the edges are lightly golden and tops appear set.
11 -
Allow cookies to cool on trays for 10 minutes, then transfer to a wire rack to cool completely.