Prepare the base of the cake: Combine melted butter and crushed biscuits and place in a split pan.
Make the curd smooth with a blender. Toss curd with yogurt, sour cream, and powdered sugar.
Dissolve gelatin in 200 ml of boiling water. Add another 200 ml of cold water and stir until the gelatin is completely dissolved.
Now add the gelatin to the curd mass, mix and put on the base in a split form. Put in the refrigerator for 3-4 hours.
Cut the fruit and decorate the yogurt cake. First, we check that the cake is frozen and kept in shape so that the fruits are on the surface of the cake.
Prepare fruit gelatin: dissolve in the same way in 200 ml of boiling water, add 200 ml of cold water, stir. Fill in the fruit carefully. Place the yogurt jelly cake in the refrigerator for 2-3 hours to freeze the jelly with fruit.