Peanut honeycomb banana cake recipe

Ingredients

• 1 tbsp butter, for greasing
• 200 g caster sugar
• 5 tbsp golden syrup (about 100g/3.5oz)
• 75 g roasted peanuts, roughly chopped
• 2 tsp bicarbonate of soda
• 100 g unsalted butter, plus extra for greasing
• 175 g soft brown sugar
• 2 medium eggs
• 2 ripe bananas, mashed (about 200g/7oz mashed banana)
• 225 g self-raising flour, sifted
• 1 tsp baking powder
• 60 g unsalted butter
• 60 g smooth peanut butter
• 120 g icing sugar, sifted
• 2 tbsp whole milk
• 100 g peanut honeycomb, crushed