Almond and Matcha Cake

Matcha Sponge

• oil, for greasing
• 4 egg whites, from large eggs
• 1 tsp cream of tartar
• 2 Tbsp granulated sugar
• 4 large eggs
• 135 g icing sugar
• 70 g ground almonds
• 120 g plain flour
• 3 tsp matcha green tea powder, plus extra for dusting

White Chocolate Buttercream

• 50 g white chocolate, small pieces or callets
• 170 g unsalted butter, soft
• 350 g icing sugar
• 1 tsp vanilla extract
• 2 Tbsp flaked almonds