Apple Crumble Cake- Sam Stern

Ingredients

• 1kg cooking apples
• 170g butter
• 340g soft brown sugar
• 4 large eggs
• 455g plain flour
• 4 tsp baking powder
• 1 tsp ground all spice
• 1 tsp ground cinnamon
• 4-6 tbsp milk
• Grated rind of 1 lemon
• 250g butter
• 500g icing sugar
• 350g caster sugar
• 1 litre water
• 3 red apples
• 50g soft brown sugar
• 50g butter (cold)
• 100g plain flour