This green tea matcha cake is fluffy, moist, and pairs perfectly with the white chocolate frosting. The cake is light and airy, which makes you wanting more after every bite!
Preheat oven at 375 degrees F. Grease the bottom and the sides of two 20-cm diameter with melted butter. Cover the bottom and sides of both pans with parchment paper, and grease the parchment papers once again with melted butter.
Combine the all-purpose flour, baking powder, and matcha powder using a whisk. Add the flour mixture into the butter-sugar-egg yolk mixture 1-2 tablespoons at a time and fold using a rubber spatula until they are well combined.
Place one cake layer on a flat surface and spread the frosting on top. Place another cake layer on top of the frosting. Finish by covering the top and sides with frosting. Top with matcha powder.