Edd Kimber's espresso and cocoa nib banana bread recipe

Ingredients

• 225 g plain flour
• 2 tsp baking powder
• 0.5 tsp salt
• 3 tbsp ground coffee
• 25 g cocoa nibs
• 250 g ripe bananas (weighed without skins)
• 100 ml sour cream
• 185 g light brown muscavado sugar
• 2 large eggs
• 1 tsp vanilla bean paste
• 150 g unsalted butter, melted