Roughly chop the tomato, cut the cucumber into sticks and split and stone the olives (if using).

Now heat the tortillas. If you have gas, put each one for 10 seconds on a lit gas ring - you have to be a little bit brave - then turn it over quickly, using tongs, and heat the other side for another 8 seconds or so. The tortillas will be slightly charred in places, which adds a fantastic flavour. If you don

Make a row of tomato, cucumber, feta and olives down the centre of each warm tortilla. Now spread the houmous around the top and sides of the tortilla. Fold in the sides to seal in the ingredients and roll up tightly to make a big cigar. Cut in half and eat with your fingers.