Apple Crumble and Custard

Custard

• 1 gelatine leaf
• 300 g double cream
• 100 g whole milk
• 60 g caster sugar
• 6 egg yolks, from medium eggs, cold
• 1 medium egg, cold
• 2 vanilla pods, seeds only

Apple Purée

• 200 g cooking apples, peeled, cored, quartered
• 200 g Golden Delicious apples, peeled, cored, quartered
• 10 g unsalted butter
• 35 g caster sugar
• ½ lemon, juice only

Crumble

• 125 g plain flour
• 50 g ground almonds
• 125 g unsalted butter, soft
• 75 g Demerara sugar
• ½ tsp ground cinnamon
• ½ tsp fine sea salt
• icing sugar, for dusting