Vanilla Buttermilk Cake - Petites Choses

Ingredients

• 250 g plain flour
• 1½ tsp baking powder
• ½ tsp bicarb of soda
• ¼ tsp salt
• 200 ml buttermilk (or 75g yoghurt/laban whisked into 125 ml milk)
• 1 tsp vanilla extract
• 125 g unsalted butter, softened
• 200 g caster sugar
• 3 large eggs, room temp
• 200 g icing sugar, sifted
• 80 g unsalted butter, softened
• 2 tbsp buttermilk (or milk)
• Pinch of salt