What is crab boil liquid made of?
                                
                                
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                                    3 min read                                
                            
                                The aroma of a crab boil can transport you straight to the Louisiana bayou, and it's all thanks to a complex blend of spices and aromatics. So, what is crab boil liquid made of? It is a concentrated mixture of potent spice extracts and flavorings, including cayenne pepper, paprika, bay leaves, mustard seeds, and lemon, designed to infuse seafood and vegetables with a signature zesty, spicy, and savory flavor.