01 - Preheat oven to 350°F. Line an 8-inch square baking pan with parchment paper, allowing overhang for easy removal.
02 - In a medium bowl, whisk together almond flour, cocoa powder, baking powder, and salt until thoroughly blended.
03 - In a large bowl, whisk sugar and melted butter until smooth. Add eggs and vanilla extract; whisk until fully incorporated and glossy.
04 - Add dry ingredients to wet mixture and fold gently until just combined. Avoid overmixing to maintain fudgy texture.
05 - Fold in chocolate chips and nuts if desired, distributing evenly throughout batter.
06 - Pour batter into prepared pan, spreading evenly. Bake for 22-25 minutes until center is just set and toothpick comes out with moist crumbs.
07 - Allow brownies to cool completely in pan before lifting out and cutting into 16 squares.