Ingredients 400g Barilla arrabbiata 3 medium white potatoes 3 cloves garlic 1 red onion 2 carrots 1 tsp dried sage 1 tsp dried thyme large pinch salt 1 tsp olive oil 2 stalks fresh rosemary Method Preheat the oven to 200ºC prepare the potatoes by thinly slicing until 3/4 of the way down