Preheat your oven to 350F. Then, sift together the pastry flour, baking soda, baking powder, matcha powder and salt together in a small bowl and set aside.
3 cups All Purpose Flour, ½ teaspoon Baking Soda, ¼ Baking Powder, ¾ teaspoon Kosher Salt, 2 Tablespoons Matcha Powder
Cream together the butter and brown sugar in the bowl of a stand mixer with a paddle attachment for 2 minutes. Add the vanilla extract and eggs, one at a time.
1 cup Butter , 1 ½ cup Brown Sugar, 1 teaspoon Vanilla Extract, 2 Eggs
Mix in the dry ingredients until just combined and mix in the white chocolate chips.
2 cups White Chocolate Chips
Scoop the cookie dough with a large cookie scoop (3 tablespoons) into balls.
Bake for 10-12 minutes or until the cookie is golden brown on the edges. Remove the cookies from the oven and use the edges of a large cookie cutter to scoot and round out the cookies into a perfect circle if desired. After two minutes, transfer to a wire rack, before cooling and enjoying!