In a bowl, take 50 ml lukewarm water. Add sugar and yeast to it. Mix it well and keep aside for 10 minutes or until yeast froths.
In a mixing bowl, take wheat flour, All-purpose flour, salt, garlic powder, Olive oil. Make a well in the center and add yeast solution. Start kneading. Add water little by little and make a dough.
Initially the dough will be sticky. Keep kneading the dough for 10 minutes. You will get a smooth, elastic and non-sticky dough.
Grease a pan and place kneaded dough into it. Cover it with cling wrap and let it rest for 40 minutes for the first rise or until it doubles in volume.
After first rise, Take out the dough on a surface, lightly dusted with flour and punch the dough to release the air. Knead the dough for another 5 minutes.
With the help of a rolling pin, roll the dough out into a sheet of 1 inch thickness. Place this in a greased baking tin. Add caramelized onions and Black olives evenly on it.
Cover it with cling wrap and set aside for another 30 minutes for second rise or until doubles in volumes.
After second rise, bake the bread in a preheated oven at 200 degree Celsius for 25 minutes.
Once done, infuse it with some olive oil and serve.