In this video, Chef John creates a New Orleans-friendly crab and corn chowder. This soup features the holy trinity of ingredients—Chef John goes with jalapeño peppers for the green pepper part of the trinity. You’ll see how to build either savory or slightly sweet flavors in your chowder and how to create a simple roux—of course! Check out the recipe for Chef John's Creole Crab and Corn Chowder. This is the perfect soup for Mardi Gras or a chilly winter night.