Use for boiling seafood, or adding to a pot of boiling potatoes or corn for a kick. Zatarain's Concentrated Liquid Shrimp & Crab Boil brings New Orleans-Style flavor to your kitchen. This concentrated liquid boil will deliver zesty flavor to seafood or your favorite potatoes or veggies for a boost of bold flavor. Simply add a capful of liquid to boiling water, and in no time you’ll enjoy the flavor and soul of The Big Easy.