Tiramisu from yojobaking

Cream Filling:

2 cups (480 ml) milk, divided

3/4 cup (150 grams) granulated white sugar, divided

1/4 cup (35 grams) all purpose flour

6 large egg yolks

1/4 cup (60 ml) dark rum or Marsala

2 teaspoons pure vanilla extract

1/4 cup (57 grams) unsalted butter, cut into small pieces

8 ounces (1 cup) (227 grams) mascarpone cheese

Ladyfingers:

32 crisp ladyfingers (Savoiardi)

Coffee Soaking Syrup:

1 1/2 cups (360 ml) very strong brewed coffee or espresso

1/3 cup (65 grams) granulated white sugar

1/4 cup (60 ml) dark rum or Marsala

Topping:

Cocoa Powder for Garnishing

1 ounce (30 grams) semisweet or bittersweet chocolate, grated or chopped

Fresh Raspberries (optional)