Tiramisu is so easy to make that you might as well make your own homemade lady fingers along with it.

Preheat oven to 350°F
Create double boiler with simmering water
Whisk eggs and sugar until combined, then heat over double boiler to 160°F while whisking
Whip heated mixture 7-10 minutes until tripled and soft peaks form
Fold in vanilla and flour gently
Pipe 3" x 1" ladyfingers onto parchment paper with 1" spacing
Dust with powdered sugar and bake one tray at a time for 8-12 minutes until lightly golden
Cool completely
Whisk together espresso, sugar, nutmeg, rum/brandy, and maple syrup in shallow dish until sugar dissolves
Set up second double boiler
Whisk egg yolks and sugar over heat until nearly dissolved
Whip with hand blender until 2.5x volume and holds soft peak
Cool slightly
Whip mascarpone until smooth and fold into egg mixture
Whip heavy cream to soft peaks and fold gently into mascarpone mixture
Dip ladyfingers briefly in espresso, a few seconds per side
Layer in 9x9" dish with one layer of fingers, half cream, another finger layer, remaining cream
Cover and refrigerate overnight or up to 2 days
Dust with cocoa powder and garnish with grated dark chocolate before serving