Whisk the vanilla yoghurt and sauce powder with the whisk of the hand mixer for approx. 1 minute. Pour the yoghurt into a piping bag with star-shaped spout. Spray a large tuff onto the cake base.
Wash the apricot and rub dry. Cut 1/4 into thin slices. (Use the rest for other purposes.) Eat the tartlets decorated with apricot slices and a cherry immediately.