Plum wash, remove seeds and cut into slices.

The oven to turn on to warm up 180 degrees. Cookies Savoiardi grind to coarse crumbs in the bowl of the mixer.

Whip the chilled cream.

In a large bowl gently mix yogurt with whipped cream.

Add crushed cookies and sugar. And stir again.

Then add the melted butter and how to get his dough! Then add the eggs one by one... do Not add the next egg when the previous one has not stepped completely into the dough. In the end, add the lemon zest.

Put the dough in portions molds (diameter 10 cm), previously greased with butter. The dough should not reach the edges of the cakes will rise during baking! Further prescription is necessary to put from above slices of plums... But, empirically came to the conclusion that it is necessary to put the cakes in the preheated oven for the first 10 minutes and then open the oven and gently put the plums (pulling a little tray with the molds), then they won't sink in the test and will remain on the surface (as pictured).

Bake for about 20 minutes (30 minutes total). The finished cakes to cool on a wire rack. And then carefully remove from molds.

Easy enough cakes out of the forms! To serve, lightly sprinkled (optional) icing sugar!