o take a casserole and to put 3/4 of liter of water, half the oregano and the barley. To let boil an instant and to lower the fire up to simmer. To cook for 50 minutes covered until the barley doesn't acquire a certain softness. To this point to drain and to season with ½ teaspoon of oil in a bowl. To take a frying pan with the heavy fund and to put the remained oil, therefore to fry slowly in the hot oil the bits of meat for 2 minutes mixing continually. The cubes have to take color. After having seasoned with pepper and salt, to pour vinegar mixing emphatically and to cook for others 30 seconds. To unite to the bowl with the barley the meat the onion, the celery, the remained oregano and an abundant ground of pepper. After having mixed for at least 1 minute to put back in refrigerator for about 1 hour. Before serving to prepare a dish with the leaves of lettuce and to pour above the salad.