Preheat the oven to 165oC Mix eggs and sugar well Add melted butter Add white cheese and lemon zest and juice In another bowl, combine polenta, coconut and yeast Add this egg mixture / sugar / butter / lemon Mix well Grease your mold Fill the cubes evenly. Add a blueberry. 30 minutes at 165 degrees C Mix the juice of the 2 lemons and add the sugar. Mix well. When the cakes are still hot, cover them.