Stir the flour into a clean bowl add salt, pepper and mustard powder, mix, add the chopped or dried herbs. Set aside one or two tablespoon of the grated cheese and add the rest to flour. Stir in. Make a well in the middle, add the yeast mixture and the onions. Gradually work into a soft dough with your hand, kneading it down. Add a little bit extra warm water if to dry.