Tiramisu sponge cake

Ingredients

• 195 grams (6.9 ounces) flour
• 0.5 teaspoon baking powder
• 3 eggs
• 175 grams (6.2 ounces) sugar
• 120 milliliters (4 fluid ounces) very hot (boiling) water
• 1 teaspoon vanilla extract
• 1 teaspoon instant or ground coffee
• 1 tablespoon sugar
• 30 milliliters (1 fluid ounce) liquor (e.g., amaretto)
• 75 grams (2.65 ounces) water
• 125 grams (4.4 ounces) mascarpone
• 65 grams (2.3 ounces) condensed milk
• 250 milliliters (8.5 fluid ounces) cream (33-35%)
• 15 grams (0.55 ounces) egg whites
• 20 grams (0.7 ounces) sugar
• 35 grams (1.25 ounces) almond petals
• 1 teaspoon ground coffee
• 2 eggs
• 60 grams (2.1 ounces) sugar
• 60 grams (2.1 ounces) flour
• 10 grams (0.35 ounces) cocoa
• 2 tablespoons powdered sugar
• 250 milliliters (8.5 fluid ounces) freshly brewed coffee
• 1 tablespoon alcohol to taste
• 450 grams (15.85 ounces) cream cheese
• 80 grams (2.8 ounces) cream (33-35%)
• 70 grams (2.45 ounces) powdered sugar
• 60 grams (2.1 ounces) mascarpone
• 140 grams (4.95 ounces) white chocolate
• Cocoa powder for sprinkling