01 -
Combine the unsalted butter and white chocolate chips in a microwave-safe bowl and heat in 30-second intervals, stirring between each, until fully melted and smooth.
02 -
In a separate bowl, beat the eggs with the brown sugar and granulated sugar until the mixture is thick, pale, and creamy.
03 -
Gradually add the melted butter and white chocolate mixture into the egg and sugar mixture, gently folding until combined.
04 -
Sift together the flour, matcha powder, baking powder, and salt. Carefully fold the dry ingredients into the wet mixture until just incorporated, ensuring no lumps remain.
05 -
Pour the batter into a parchment-lined 9x9-inch baking pan and bake in a preheated oven at 325°F for 25–30 minutes or until a toothpick inserted into the center comes out with moist crumbs.
06 -
Allow the brownies to cool completely at room temperature, then refrigerate for several hours before slicing into 16 portions to achieve clean edges.