Pit the olives, cutting them into smaller pieces. Chop the spring onions and fresh mint and set aside. In a bowl put the dried yeast, sugar, flour and enough lukewarm water and mix to make a batter. Cover with cling film and a napkin and set aside to rise. Dilute the tahini with hot water and set aside. Prepare the spice mixture: You will need: flaxseed, mahleb, mastic resin and flour. Powder them using an electric spice grinder or a pestle and mortar. Put the flour with salt and tahini in your stand mixer and using the hook mix until the tahini is absorbed. Add all the spice mixture, orange juice, vinegar and yeast and mix with your mixer on low speed. Add some water, if necessary, until the dough holds together. Add, the olives, mint and spring onions and continue mixing until all the ingredients are incorporated. Increase the speed and mix for a few more minutes. Preheat the oven to 180oC. Empty mixture in a 6-cup capacity - 8 3/4" diameter x 4" high Tupperware silicone mold and bake for about forty five minutes or until a knife inserted in the bread comes out clean. Set aside to cool and invert it in a plate. Perfect for breakfast or as a snack!