Creating your White Chocolate Raspberry Tiramisu is straightforward if you follow these simple steps:

1. Prepare the Cream Mixture: In a mixing bowl, combine the mascarpone cheese, heavy whipping cream, powdered sugar, and vanilla extract. Beat until smooth and fluffy.
2. Melt the White Chocolate: Gently melt the white chocolate in a microwave or double boiler. Allow it to cool slightly before adding to the cream mixture.
3. Combine Mixtures: Carefully fold the melted white chocolate into the mascarpone mixture until fully combined.
4. Prepare Coffee Mixture: In a shallow dish, mix the brewed coffee and coffee liqueur (if using) together. Allow it to cool.
5. Dip the Ladyfingers: Quickly dip each ladyfinger into the coffee mixture, ensuring they are soaked but not soggy.
6. Layer the Ingredients: In a rectangular or square dish, place a layer of dipped ladyfingers on the bottom. Spread half of the mascarpone mixture over the ladyfingers.
7. Add Raspberries: Scatter half of the fresh raspberries over the mascarpone layer.
8. Repeat Layers: Add another layer of dipped ladyfingers, followed by the remaining mascarpone mixture. Top with the remaining raspberries.
9. Chill: Cover the dish with plastic wrap and refrigerate for at least 4 hours or overnight to allow the flavors to meld.
10. Serve: Just before serving, garnish with white chocolate shavings and extra raspberries for an elegant touch.