1-Step 1: Prep everything first Before you turn on the stove, chop the celery, carrot, and onion into small pieces so they cook evenly. Mince the garlic, measure the paprika, flour, broth, cream, and tomato paste, and make sure the shrimp and crab are ready to go. Since this is a creamy crab and shrimp seafood bisque, the final stage moves pretty quickly, so having everything lined up is the difference between calm cooking and frantically searching the pantry while onions sizzle.

2-Step 2: Start the flavor base Place a large pot or Dutch oven over medium heat and add 1 tablespoon olive oil. Once the oil shimmers, add the onion, celery, and carrot. Cook for 4 to 5 minutes, stirring often, until the vegetables soften and the onion looks translucent. Then add the garlic and cook for about 30 seconds, just until fragrant. This first layer builds the savory backbone of your seafood bisque.

3-Step 3: Stir in the seasonings and tomato paste Add the paprika and optional cayenne pepper, then stir in the tomato paste. Cook this mixture for about 1 minute to take away the raw tomato taste and deepen the flavor. You should smell the spices bloom right away. If you are wondering whether a spoonful of tomato paste really matters, the answer is yes, absolutely. It gives the bisque that rich color and subtle tang that keep every spoonful interesting.

4-Step 4: Add the flour to build body Sprinkle in the flour and stir constantly so it coats the vegetables and absorbs the oil. Cook for 1 to 2 minutes, which helps remove the raw flour taste and gives the bisque its thick, creamy body. The mixture may look a little paste-like at this point, and that is exactly what you want. This is the base that turns a simple seafood soup into a proper bisque recipe.

5-Step 5: Pour in the broth slowly Gradually whisk in the seafood or chicken broth, a little at a time, so the mixture stays smooth. Keep stirring until there are no lumps. Once all the broth is in, bring the pot to a gentle simmer over medium heat. Let it cook for about 10 minutes so the flavors mingle and the soup begins to thicken. If you want a smoother texture, you can use an immersion blender at this stage, but it is optional.

6-Step 6: Add the cream and optional sherry Lower the heat to medium-low, then stir in the heavy cream and optional sherry. Do not rush this part. Cream likes gentle heat, and keeping things calm helps avoid curdling. The sherry adds a little extra depth, almost like a secret ingredient that makes people ask, “What is in this?” That is always a fun moment in the kitchen.

7-Step 7: Fold in the seafood Add the chopped cooked shrimp and crab meat. Stir gently so you do not break up the crab too much. Let the bisque simmer for 2 to 3 minutes, just long enough to heat the seafood through. Since the shrimp and crab are already cooked, the goal here is warming, not recooking. Overcooking can make the seafood rubbery, and nobody wants that in a creamy crab shrimp bisque.

8-Step 8: Season and finish Taste the bisque and season with salt and black pepper as needed. If you like a thinner soup, add a splash more broth. If you want a thicker bowl, simmer it for a few more minutes over low heat. Ladle the bisque into bowls and top with fresh parsley, chives, or dill. The herbs bring a fresh pop of color and make the bowl look finished, even if you are serving it on a regular Tuesday night.

9-Step 9: Serve it while warm This crab and shrimp bisque recipe is best served hot with crusty bread, oyster crackers, or a simple green salad. The soup has a rich, cozy feel, so a crisp side helps balance the creaminess. For a full meal, pair it with a lighter seafood or chicken dish from the blog and call dinner handled.