1.Combine potato water, cooking oil, sea kelp and oatmeal to make a firm dough.
2.Refrigerate the dough for some time.
3.Preheat the oven at 350 degrees.
4.On a lightly flored board, roll the dough.
5.Add a sprinkling of caraway seeds and roll.
6.Take a greased cookie sheet, Add the roll on it and using a fork cut squares pices of it.
7.Poke using fork twine and bake the pastry for 20 minutes.
8.Serve crackers with tea or with your favorite dip as a snack or appetizer.