Yes, the spices used and quantities are just a guide. This is a rather flexible recipe! You can adjust the spices to suit your taste. For example, add black pepper if you prefer a warmer flavor. (Click through for a guide to using Asian spices.) If you prefer a stronger flavor or have less time to braise the eggs, increase the amount of soy sauce and spices. Keep in mind that the eggs should be fully submerged in the braising liquid.