Sift self rising flour and set aside. Put butter and cream cheese in the bowl, beat to combine. Add sugar, beat with medium speed. After that add egg and vanilla, continue beating until light in color. Add the lemon zest. Put the sift flour in, use the spatula fold to combine well. Chill for 1 hour.

After 1 hour, Scoop the batter, circle and place on the baking mat. Use your palm press a little bit. Preheat the oven at 190 degrees celsius, bake for 10 minutes. Take it out off the oven, put it on the rack to cool down. Ready to enjoy.