John Gregory-Smith on Instagram: "Nduja Mac and Cheese Recipe – recipe below This mac and cheese recipe is one my favourite pasta recipes. The Macaroni cheese is flavoured with three different cheeses to make it feel really special and then I add in Nduja to make it a bit spicy. You bake the macaroni cheese until bubbling in the oven and serve. Enjoy x John Serves 6 500g pasta shells 1 tbsp olive oil 50g butter 80g nduja 50g plain flour 500ml whole milk 150g gruyere cheese, grated 150g cheddar,