To 1 gallon of boiling water (in large pot) add the chicken breasts, 2 ounces of onions, 1 tablespoon olive oil, a pinch of saffron, 1 to 2 drops of yellow food coloring and salt and pepper to taste. Cook for 1 hour. Add vegetables and continue boiling for 1/2 hour, or as needed for vegetables to cook. To cook Couscous semolina, follow instructions on box. Garnish with coriander and parsley.