In a blender, grind the cookies into crumbs. Add melted butter. Mix. In a split form, line the bottom 24-26 cm with foil/parchment paper. Put half of the resulting crumbs on the bottom and tamp with a glass. Then lay out the other half of the crumb and tamp the sides. Place the base in the refrigerator.
Dissolve gelatin in 70 ml of cool water, leave to swell. Whip cold cream until creamy. Add powdered sugar, stir. Add cream cheese, stir. Squeeze the juice out of the lemon. Heat gelatin, but do not boil until it is completely dissolved. Add lemon juice to the cream, mix. Add melted gelatin, stir.
Add vanilla sugar if desired.
Put the resulting cream in a sand base, smooth, and put it in the refrigerator.
For berry jelly, take 300-400 g of fresh or frozen strawberries (or any other berries), punch in a blender with powdered sugar.
Pour 5 g of gelatin with 100 ml of cold water, when it swells, heat and melt. Add gelatin to the berry puree and stir. Pour the resulting mass over the cream layer and put the cheesecake in the refrigerator for 6-8 hours.