Coffee Cardamom Walnut Cakes | Claire Ptak Cake Recipes

Ingredients

• 75g walnuts
• 210g plain flour
• 3/4 tsp baking powder
• 3/4 tsp bicarbonate of soda
• 1/2 tsp fine sea salt
• 3/4 tsp ground cinnamon
• 1/3 tsp ground cloves
• 1 tsp ground cardamom
• 1 tsp ground pink peppercorns
• 180g unsalted butter, softened
• 150g caster sugar
• 2 eggs
• 1 1/2 tsp vanilla extract
• 210g crème fraîche
• butter, for greasing the tins
• 200g icing sugar
• 2 tbsp freshly brewed strong coffee or espresso