Lacto: Lowfat Tiramisu

• 40 ladyfingers
• 300 ml water mixed with (hot)
• 240 ml sour cream
• 230 ml vanilla yogurt
• 120 gr cottage cheese
• 120 gr neufchatel cheese
• 100 gr sugar
• 30 gr dark rum
• 16 gr instant espresso coffee granules
• 1 gr cocoa