Nigella Lawson Chocolate Peanut Butter Cake Recipe | BBC2 Cook, Eat, Repeat

Ingredients

• 200g unsalted butter, plus more for greasing
• 250ml hot water from a just-boiled kettle
• 50g cocoa
• 100g soft dark brown sugar
• 125g caster sugar
• 2 tsp vanilla extract
• 225g plain flour
• 1 tsp baking powder
• ½ tsp bicarbonate soda
• 2 large eggs, at room temperature
• 300g icing sugar
• 150g soft unsalted butter
• 200g smooth peanut butter (see recipe intro)
• 1 tsp vanilla extract
• ¼ tsp fine sea salt
• 4 x 15ml tbsp (60ml) double cream
• 4 x 15ml tbsp (30g) chopped dry roasted peanuts