01 -
Preheat the oven to 350°F (177°C). Coat an 8x8 inch pan with non-stick spray, then line with parchment paper, ensuring overhang for easy removal.
02 -
Melt unsalted butter either in the microwave in 1-minute increments (1-2 minutes total) or on the stovetop until fully liquid.
03 -
In a medium bowl, mix white chocolate chips with matcha powder. Pour the melted butter over the mixture and stir until chocolate is fully melted and mixture is smooth with no lumps.
04 -
In a large mixing bowl, combine granulated sugar and brown sugar. Add eggs and beat with an electric mixer on high for 3-5 minutes until the mixture is thick, pale, and airy, resembling pancake batter.
05 -
Pour the white chocolate and matcha ganache into the sugar and egg mixture. Mix gently until well incorporated, then add vanilla extract and mix to combine.
06 -
Sift all-purpose flour and kosher salt into the wet mixture. Using a rubber spatula, fold together until just combined. Avoid overmixing to retain batter airiness.
07 -
Transfer the batter to the prepared pan and spread evenly. Bake for 20 minutes at 350°F (177°C). Remove pan and sharply tap it on the counter 2-3 times to release air bubbles.
08 -
Return pan to oven and bake for an additional 15 minutes. Remove from oven and tap pan on the counter 2 more times. Let brownies cool in the pan for 1 hour or until they reach room temperature.
09 -
Lift the brownies from the pan using the parchment overhang. Slice into squares with a sharp knife, wiping the blade between cuts for clean edges.