Lemon Lamington - Le-Thermique

Ingredients

• 90 g caster sugar
• 1 lemon zest only
• 50 g lemon juice
• 1 ½ large eggs
• 60 g unsalted butter in small chunks
• ½ lemon zest
• 100 g caster sugar
• ½ pinch fine sea salt
• 40 g corn flour
• 1 egg yolk
• 25 g lemon juice
• 125 ml water
• 50 g unsalted butter in small chunks
• 2 large eggs
• 113 g unsalted butter in small chunks
• 113 g caster sugar
• 113 g cake flour
• 1 tsp baking powder
• ½ tsp vanilla extract
• 200 g desiccated coconut