Raspberry Muffins with Crumbly Topping Ingredients FOR THE TOPPING 40g butter, chilled and chopped 50g plain flour 2tbsp sugar 2tbsp chopped pecan nuts FOR THE MUFFINS 320g plain flour 2tsp baking powder ½tsp bicarbonate of soda Pinch of salt Pinch of cinnamon 150g caster sugar 1tsp finely grated orange zest 300ml buttermilk 2 eggs 100g butter, melted 150g fresh or ...