Line 1-2 cooking sheets (baking trays with baking parchment. Sift together both types of flour, rapid yeast, garlic powder, salt and oregano into a large bowl.
2
Make a well in the center of the dry ingredients and add sugar, oil and water. Gradually incorporate the dry ingredients to form a soft dough. Knead lightly, adding water or flour as needed until the dough easily pulls away from your fingers and the side of the bowl.
3
Knead vigorously for about 15 minutes on a lightly floured work surface until smooth and elastic. Cover and let rise in a warm place for about 2 hours until doubled in volume.
4
Punch down and divide the dough in half. Roll out each piece of dough into 20 x 40 cm rectangle.
5
Sprinkle the surface with the chopped olives and roll up tightly from the long edge. Dampen the edge to seal and place rolls, seam side down, on the prepared cookie sheets. (Alternatively, cut the rolls into 13cm pieces and put on the cookies sheets, spaced well apart.) Cover and let rise for 15min.
6
Meanwhile preheat the oven to 200C. Bush the leaves or rolls with water, sprinkle with sesame seeds and bake for 20-25min.