In a medium sized bowl mix yeast 8 ml lukewarm water honey and 50gr flour. Stir well cover and leave the mixture in a warm place for 30 minutes. In a second bowl stir the saffron and baking soda and let sit for 30 minutes. In a bowl sift the remaining flour baking powder and salt. Add both mixtures together along with the crushed cheese. Then add the melted margarin, the soda/saffron mix and gradually the milk. Knead well for about 10 minutes until the dough does not stick to your hands. If necessary add extra flour or water. Cover the dough and leave in a warm place for 1 hour. Separate the dough, shape cookies and let sit in a warm place for 40 minutes.