Grease the recesses of a muffin tray (12 recesses). Cut 24 strips (approx. 2 x 16 cm) from baking paper and place 2 strips crosswise in each tray.
Wash the lemon hot and grate one half of the peel finely. Squeeze the lemon. Place cream cheese, sour cream, eggs, 75 g sugar, vanilla sugar, 3 tbsp. lemon juice and zest in a bowl. Add flour and 1 tbsp. starch. Stir until creamy with the whisks of the mixer.
Pour the cheese mixture into the muffin troughs and bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer) for approx. 20 minutes. Let it cool down in the muffin tray on a cake rack.
12 Choose 12 raspberries and chill. Defrost the rest of the raspberries. Puree the defrosted raspberries. Bring to the boil in a small pot with 1 tablespoon of sugar. Stir 1 tbsp. starch with approx. 2 tbsp. water until smooth. Stir into the puree and simmer for about 1 minute while stirring. Spread hot on the muffins. Decorate with 1 raspberry each. Leave to cool for at least 30 minutes or, if necessary, put them in a cool place. If necessary, remove the muffins from the edge with a small knife and use the paper strips to lift them out of the wells.
With the help of the paper strips, the cheesecake muffins can be easily removed from the troughs after baking.