Ingredients Grouper (white fish) Salt Grains pepper (roughly ground) Ginger Lemongrass Kaffir lime leaves Sake Black vinegar, Minced ginger How to make it Season the grouper with salt and pepper, add ginger, lemongrass. After tossing the kaffir lime leaves, pour in sake, cover it with a Lid. Steam for 10 to 15 minutes over medium heat to complete.