Cut each sausage into about 3 or 4 chunks ... or until the carrots are almost cooked. Remove the pie dish from the oven, pour over the half of the tomato sauce and give everything a good stir.
Roll the sausagemeat into walnut-sized balls and place in an oven-proof pie dish ... Pour the tomato sauce over the cooked sausage balls and top with the mashed potato. Sprinkle with grated ...