Prepare the Raspberries:

1. Wash and Slice: If using fresh raspberries, gently wash them and pat them dry with a paper towel. Set aside. If using frozen raspberries, thaw them completely and drain the excess liquid.
2. Mash the Raspberries: If you prefer, you can lightly mash some of the raspberries with a fork to release their juice. This will create a nice berry sauce that can soak into the sponge cake or ladyfingers, adding more flavor.

Prepare the Cream Layer:

3. Whip the Cream: In a large mixing bowl, whip the heavy cream using a hand mixer or stand mixer until stiff peaks form. Be careful not to overwhip, as it can turn into butter.
4. Mix Mascarpone Cheese and Sugar: In a separate bowl, beat the mascarpone cheese, powdered sugar, and vanilla extract together until smooth and creamy.
5. Combine the Whipped Cream and Mascarpone: Gently fold the whipped cream into the mascarpone mixture using a spatula until well combined. Be sure to keep the cream airy and fluffy.

Prepare the Cake Layer:

6. Slice the Cake: Cut the sponge cake or ladyfingers into slices or pieces. The pieces should be small enough to form a good base layer, but large enough to hold their shape when layered.
7. Optional – Soak the Cake: If you want to enhance the flavor of the cake, you can soak it in a small amount of lemon juice mixed with a tablespoon of lemon liqueur or a splash of water. This will infuse the cake with extra citrus flavor.

Assemble the Trifle:

8. Layer the Ingredients: Begin by placing a layer of sponge cake or ladyfingers at the bottom of a large glass trifle dish or individual cups. Make sure the cake layer covers the entire base.
9. Add the Raspberries: Spoon a layer of fresh raspberries (or mashed raspberries) over the cake. You can alternate whole and mashed raspberries for texture and color.
10. Add the Cream Layer: Spoon a generous layer of the mascarpone cream mixture over the raspberries, smoothing it evenly with a spatula.
11. Repeat Layers: Repeat the layers, starting with the cake, followed by the raspberries, and then the cream mixture. Continue until all ingredients are used, making sure to finish with a creamy layer on top.
12. Top with Raspberries: Finish the trifle with a layer of fresh raspberries on top for decoration. You can also drizzle with lemon curd for extra lemon flavor and a glossy finish.

Chill the Trifle:

13. Refrigerate the Trifle: Cover the trifle with plastic wrap or a lid and refrigerate it for at least 3-4 hours. This will allow the flavors to meld together and the layers to set.
14. Chill Longer for Best Results: For the best texture and flavor, let the trifle chill overnight. The longer it sits, the better the flavors will develop.

Garnish and Serve:

15. Garnish with Mint: Before serving, garnish the top of the trifle with fresh mint leaves for a pop of color and a refreshing aroma.
16. Serve: Scoop portions of the trifle into individual bowls or serve directly from the trifle dish. Enjoy your delicious, refreshing dessert!