Melt the butter in a small pot. Finely crumble the biscuits in the universal chopper, mix with the butter. Grease a springform pan (26 cm Ø). Spread the crumb mixture in the form and press it to a flat bottom.
Cold. Wash the cherries, drain and stone them. Wash lemon hot, grate dry, finely grate peel. Halve lemon and squeeze juice.
Stir cream cheese, quark, lemon peel and juice, 200 g sugar and vanillin sugar until smooth. Stir in starch, separate 3 eggs. Put the egg whites in a cool place. Gradually add egg yolks and 3 eggs to the quark mixture.
Put half of the mixture into the mould and smooth it down. Carefully spread the cherries on top. Add the rest of the quark mixture and smooth it down. In a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see
manufacturer) bake for about 1 hour. Leave to rest for approx. 10 minutes in a switched-off oven. Remove from the oven and let it cool down on a cake rack.
Beat egg white and salt until stiff. Gradually add 150 g sugar. Take the cake out of the tin. Spread the meringue mixture on the cake and spread loosely. Sprinkle with almond flakes.
Briefly bake under the hot grill of the oven (approx. 240 °C) until the tips are browned. Let them cool down.