In the water with sugar, brought to a boil, put the zest, removed from the lemons, then introduce prepared gelatin. After the gelatin is dissolved, the juice delivered from the lemons is introduced, poured into molds and placed for 1.5-2 h in the refrigerator to solidify. 

Water 3 items, sugar 1 tbsp., Gelatin 2 tbsp. spoons, lemon 1 pc.