For further preparation, we will need baking powder. Add baking powder, sifted flour, zest, juice of half a lemon and mint to the dough. Mix well. Let the dough stand for 10 minutes, then put it in a cupcake mold and bake in a preheated 180 degree oven for about 30 minutes, it all depends on the size of the molds. Check readiness with a skewer.