Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown
350 gm 12 ounce onion peeled and
  Sliced
5 ml 1 tsp sunflower oil.
500 gm 14 ounce minced canned
15 ml 1 tbsp tomato pure.
200 gm 7 ounce canned tuna liquid removed.
25 ml 0,5 tsp sugar.
350 gm 12 ounce potatoes scrubbed and
  Cooked
25 gm 1 ounce bread crumbs.