1. Weigh all the ingredients, use a rolling pin to grind the black tea leaves into fine powder
2. After the butter is softened, add icing sugar and beat until the color becomes lighter and the volume becomes larger
3. Add egg yolks and mix well
4. Add black tea powder, mix well
5. Sift in the flour
6. Stir until there is no dry powder
7. Make it into a square, wrap it in plastic wrap, and freeze in the refrigerator for about 2 hours
8. Take out and dip with coarse sugar
9. Cut thick slices into a baking tray, put in a pre-heated oven, middle layer, 170 degrees, upper and lower heat, about 15 minutes, the surface will be slightly golden
10. Full room tea fragrance~~
