01 - Preheat oven to 350°F. Line an 8x8 inch baking pan with parchment paper, ensuring the paper overhangs the edges for easy removal.
02 - In a medium bowl, whisk together flour, cocoa powder, brown sugar, baking powder, and salt until well combined.
03 - Pour melted coconut oil or vegan butter into the dry mixture along with plant milk and vanilla extract. Mix until just combined, being careful not to overmix.
04 - Gently fold the dark chocolate chips into the brownie batter until evenly distributed.
05 - Transfer the brownie batter to the prepared pan, spreading it evenly across the bottom using a spatula.
06 - In a separate bowl, beat softened vegan butter, brown sugar, and granulated sugar together until light and fluffy.
07 - Mix plant milk and vanilla extract into the butter mixture until fully incorporated.
08 - Add flour, baking soda, and salt to the wet mixture. Stir until just combined, avoiding overworking the dough.
09 - Fold in the vegan chocolate chips until evenly distributed throughout the cookie dough.
10 - Carefully spread the cookie dough evenly over the brownie batter layer. Lightly wet your hands or spatula with water to prevent sticking if needed.
11 - Bake for 30 to 35 minutes until the top is golden brown and a toothpick inserted in the center comes out with a few moist crumbs attached.
12 - Allow the brookies to cool completely in the pan. Once cooled, lift out using the parchment paper overhang and slice into 12 squares.