Whip the egg yolks with the sugar

• Place the egg yolks and sugar in a bowl.
• Whisk until pale and creamy.

Make the mascarpone cream

• Add the mascarpone and the vanilla seeds, then mix until smooth.
• Whip the cold heavy cream to stiff peaks in a separate bowl.
• Fold the whipped cream into the mascarpone mixture gently.

Soak the ladyfingers

• Dip the ladyfingers briefly in the mango puree.
• Arrange a layer in the baking dish.

Assemble the tiramisu

• Spread half of the mascarpone cream over the biscuits.
• Add a layer of mango slices.
• Repeat with the remaining biscuits, cream and mango.

Chill and serve

• Cover and refrigerate until set.
• Serve cold.