Helena's Pumpkin & Maple Jack O'Lantern Cake recipe - The Great British Bake Off

Ingredients

• 2 butternut squash, halved (yields about 850g purée)
• 260g plain flour
• 2 tsp baking powder
• 1 tsp salt
• 2 tsp ground cinnamon
• ½ tsp ground ginger
• ¼ tsp ground nutmeg
• ⅛ tsp ground cloves
• 4 large eggs
• 240ml sunflower oil
• 200g dark brown soft sugar
• 100g caster sugar
• ¾ tsp vanilla extract
• 425g butternut squash purée, or 425g can of pumpkin purée
• 3 large egg whites
• 200g caster sugar
• 340g unsalted butter, at room temperature
• 4 tbsp maple syrup
• Icing sugar, for dusting
• 1kg brown ready-to-roll fondant
• Bronze metallic edible spray paint
• 10 Oreo biscuits, finely crushed
• 100g white ready-to-roll fondant
• 250g dark modelling chocolate or brown fondant