ONION SOUP ( SOĞAN ÇORBASI ) Ingredients: (4 servings) . 8 glasses of meat broth . 2 tablespoons margarine . 5 onions . ½ grated Gruyere cheese . 1 teaspoon flour . Salt Melt the margarine in a saucepan. Cut the onions into ‘rings’ and fry it until it becomes lightly brown. Add flour and roast for 3...