01 - Preheat the oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk together flour, matcha powder, baking soda, and salt in a medium bowl until evenly blended.
03 - Beat softened butter, granulated sugar, and brown sugar in a large bowl until light and fluffy, approximately 2 minutes.
04 - Beat in eggs one at a time, fully incorporating each before adding the next. Mix in vanilla extract.
05 - Gradually add dry ingredients to wet mixture, mixing until just combined. Avoid overmixing.
06 - Gently fold white chocolate chips into the dough until evenly distributed.
07 - Drop tablespoon-sized dough portions onto prepared baking sheets, leaving 2 inches of space between each.
08 - Bake for 10 to 12 minutes until edges are set but centers remain slightly soft.
09 - Let cookies rest on baking sheets for 5 minutes before transferring to a wire rack to cool completely.