Grease and line a springform pan with parchment paper.
Beat 4 eggs on high speed for 10 minutes until tripled in volume.
Melt Nutella with boiling water and whisk until smooth.
Fold part of the eggs into Nutella, then add flour.
Fold in remaining eggs gently.
Pour into the pan and cover with greased foil.
Air fry for 30 minutes until cooked through.
Cool completely on a wire rack.
Repeat to make a second layer.
Spread softened Nutella over one cake layer.
Stack the second cake on top.
Top with whipped cream and raspberries.
Drizzle Nutella and dust with cocoa powder.
Notes & Wine Advice
Notes
This cake keeps well in an airtight container at room temperature for up to 3 days. For best texture, serve slightly chilled or at room temperature after resting.
Wine Advice
Pair this cake with a sweet dessert wine such as a Moscato or a light Ruby Port. The sweetness complements the chocolate while the acidity balances the richness.