Finely grate the cheese and, using your hands, work it into a paste with the margarine
Mix together the dry ingredients and then add to the cheese mixture in 3 parts. Mix well, kneading it together until it comes together like a loaf.
If you are using a cookie press, process onto a greased cookie sheet and cut strips into pieces. If you don’t a press, roll the dough thinly and cut into crackers or shape the dough into 1 tsp size balls and flatten. Place on greased cookie sheet