01 -
Preheat the oven to 175°C and line a 20 cm by 20 cm baking pan with parchment paper.
02 -
Pulse oats in a food processor until they reach a coarse flour consistency with some larger pieces. Add baking soda, cinnamon, and cocoa powder, then pulse briefly to combine. Transfer to a bowl.
03 -
In the food processor, combine peanut butter, light brown sugar, vanilla extract, non-dairy milk, and maple syrup. Blend until smooth, scraping down the sides as needed.
04 -
Add the dry ingredients to the wet mixture in the processor and pulse until fully incorporated. The batter should be thick and sticky.
05 -
Gently fold the chopped walnuts and dairy-free chocolate chips into the batter.
06 -
Spread the batter evenly in the prepared pan. Bake for 28 to 32 minutes, checking doneness by inserting a toothpick into the center. Allow to cool in the pan for 15 minutes, then transfer to a wire rack and cool completely before cutting into 16 squares.