Tuna and Potato Bake

Soften onion and garlic in oil in a non-stick frying pan. Add tomatoes and tomato pure and simmer for about ten minutes. Add tuna black olives herbs and sugar and cook for a further 5 minutes. Meanwhile heat the oven to 190 c, 375 f, gas mark 5. Grease an oven proof dish and add potatoes and sauce in layers ending with a layer of sauce. Sprinkle with breadcrumbs and cook for 40 minutes. 217 kcal 908 kj 18,2 G protein 40,7 G carbohydrates of which 8,8 G sugar. 3,2 G fat of which 0,4 G saturates. 0,2 G sodium. 5,3 G dietary fibre.