Manon's Italian Meringue & Lemon Ginger Cake recipe - The Great British Bake Off

Ingredients

• 200g salted butter, at room temperature
• 250g dark muscovado sugar
• 100g treacle
• 100g golden syrup
• 100g root ginger, finely grated
• 2 eggs
• 1 tsp ground cinnamon
• 1 tsp ground ginger
• 250g plain flour
• 1 tsp bicarbonate of soda
• 2 tsp baking powder
• 150ml whole milk
• 5 unwaxed lemons
• 2 sheets of platinum-grade gelatine
• 150g caster sugar
• 3 eggs
• 3 egg yolks
• 100g salted butter, diced and softened
• 200g caster sugar
• 2 unwaxed lemons, thinly sliced
• 25g 70% dark chocolate
• syrup from the candied lemon
• 2 egg whites