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Crab Soup

Crab Soup

Crab Soup is a creamy savory bowl that blends sweet lump crab meat with hearty potato, bright tomatoes, and warm aromatics for an easy weeknight dinner. The broth is seasoned with Old Bay seasoning and Worcestershire for depth and comfort. Fast to assemble and big on flavor, it is a cozy winter favorite that invites seconds and warms the whole table.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Soups
Cuisine American
Servings 8 servings
Calories 300 kcal

Equipment

  • Large Pot
  • Wooden Spoon

Ingredients
  

  • 1 tablespoon olive oil Sauté gently in a pot to develop a fragrant base and lightly coat vegetables, contributing a fruity, smooth fat that carries flavors throughout the soup. Use early in cooking to prevent sticking and help brown aromatics without overpowering the delicate seafood notes.
  • 1 small yellow onion diced Dice finely to release sweet, savory flavors and provide a soft aromatic backbone that melds with other vegetables. Add at the beginning of cooking to sweat until translucent, building depth and sweetness for the broth.
  • 3/4 cups sliced carrots Slice thinly to add subtle sweetness, color, and tender texture while simmering; carrots also contribute natural sugars that balance the savory and briny elements. Add with other root vegetables so they soften and help thicken the broth slightly as they break down.
  • 1 cup diced celery Dice uniformly to provide a crisp aromatic note and slight vegetal bite that complements onion and carrot; celery adds complexity to the soup’s flavor profile. Add early so it softens and integrates, releasing its savory, slightly peppery essence.
  • 2 oz tomato paste Incorporate as a concentrated tomato base to deepen umami, add acidity, and impart a rich red color; tomato paste intensifies tomato flavor without extra liquid. Cook briefly with the aromatics to caramelize and reduce its raw edge before adding broth.
  • 2 cloves garlic minced Mince finely to add pungent, savory warmth and enhance overall aroma; garlic provides a sharp, aromatic lift that complements seafood. Add after onion has softened to prevent bitterness and to bloom its oils for a rounder flavor.
  • 2 tablespoons Old Bay seasoning Season generously to introduce a bold, briny blend of spices tailored to seafood, adding complexity and a coastal character. Sprinkle gradually and taste as you cook since Old Bay concentrates heat, salt, and aromatic notes.
  • 2 teaspoons Worcestershire sauce Stir in to add tangy, savory depth and a subtle anchovy-like umami that enhances the soup’s savory profile without fishiness. Add near the broth stage to distribute its concentrated flavor evenly throughout the soup.
  • 4 cups seafood broth Pour as the primary savory liquid to infuse the soup with concentrated seafood flavor, creating a robust, briny base that complements the crab. Use simmering heat to extract and meld flavors from other components into this broth.
  • 1 cup water Add to adjust volume and control the final concentration of flavors while providing a neutral medium for simmering ingredients. Use to balance broth intensity and achieve desired consistency without altering flavor profile significantly.
  • 1 small potato peeled and cubed Peel and cube to contribute a creamy, starchy element that thickens the soup slightly as it cooks and offers a comforting, hearty texture. Add early enough to tenderize through simmering so cubes hold shape but become fork-tender.
  • 1 can diced tomatoes 14.5 ounces Drain and add to contribute bright tomato pieces and acidity, adding body, texture, and counterpoint to the richer broth. Add with liquids so tomatoes break down slightly, brightening flavors and providing intermittent bursts of tomato.
  • 1 1/4 cup frozen corn kernels Include frozen to add sweet, crisp bursts of corn flavor and pop of texture that lighten the mouthfeel; corn complements crab with natural sweetness. Stir in toward the end of cooking to retain some bite and fresh flavor.
  • 1 pound cooked lump crab meat Gently fold in at the end to preserve delicate lumps and sweet, briny meat; cooked lump crab provides the star protein and a tender seafood presence. Add late and heat through briefly to avoid overcooking which would make meat rubbery.
  • Salt and pepper to taste Season to taste at the end to balance and enhance overall flavor, adjusting for saltiness and peppery heat as needed. Add incrementally and taste between adjustments to avoid oversalting given the salty broth and seasoning.

Instructions
 

  • In a large pot, heat olive oil over medium heat. Add onions, carrots, celery, tomato paste, and garlic. Cook until the vegetables are softened, about 5-7 minutes.: You will notice the oil shimmer when it is ready, and the pan gives off a faint, warm scent. This gentle heat is important because it slowly draws out the sweet oils from the onion and prevents burning. When the oil is properly warmed, add the vegetables and you should hear a soft, steady sizzle. A common error is turning the heat too high, which makes the garlic and tomato paste brown too quickly and creates bitterness. Keep the surface of the oil moving slightly, and tilt the pan to watch for the shimmer as your cue.
  • Stir in Old Bay seasoning, Worcestershire sauce, broth, water, potatoes, and diced tomatoes. Bring to a boil, then reduce heat to simmer. Add corn and continue to simmer for 20 minutes.: As these aromatics hit the pot, the kitchen will start filling with a savory perfume, and the vegetables will soften and become glossy. The tomato paste will darken and coat the vegetables, releasing a concentrated, slightly sweet tomato aroma. Stir continuously for even coloring and to prevent sticking. If the vegetables do not soften, it usually means the heat was too low, so increase slightly. If they brown too fast, lower the heat and add a splash of water to loosen the paste.
  • Stir in the crab meat and season with salt and pepper. Simmer for an additional 10-20 minutes to meld flavors. Adjust seasoning as needed.: You want the onion translucent and the carrots and celery tender but not mushy, offering a tender bite. The pot will smell richer and slightly caramelized, which signals development of flavor. Stir occasionally so nothing clings to the bottom. A typical slip here is skipping the softening stage, which leaves raw, sharp tastes; allow the full 5 to 7 minutes for depth to build.
  • Stir in Old Bay seasoning, Worcestershire sauce, broth, water, potatoes, and diced tomatoes: When these liquids and spices enter the pot, the aroma will open into a warm, layered scent with herbal and tomato notes. The potato should be submerged to absorb flavors and soften evenly. Bring the pot to a gentle boil, watching for steady bubbles that break the surface, then reduce the heat. If the mixture boils too hard, the potatoes can break apart; maintain a controlled simmer to keep the texture balanced.
  • Bring to a boil, then reduce heat to simmer: At the boil stage, the soup becomes active and the surface moves with steady bubbles, which helps meld flavors quickly. Reducing to a simmer lets the ingredients integrate slowly, resulting in a cleaner, more cohesive broth. You will hear a softer, quieter bubbling and see small, consistent steam rising. Boiling too long at high heat can make the broth cloudy and over reduce the liquid, so keep an eye on the flame or burner setting.
  • Add corn and continue to simmer for 20 minutes: As the corn joins the pot, expect sweetness and additional body to emerge. The kernels will sink and then float as they cook, and the broth will take on a slightly thicker mouthfeel from the starch released by the potato . Stir occasionally to keep the corn distributed and to prevent sticking. Under cooking will leave the corn starchy and hard, while overcooking will cause it to become mealy; aim for that tender pop.
  • Stir in the crab meat and season with salt and pepper: When the crab meat goes in, the aroma becomes subtly briny and sweet, signaling the soup is nearly finished. Gently fold the meat to preserve the lumps, and taste to adjust seasoning because the seafood can already carry salt. Be careful not to over stir, which can shred the crab and change the texture from delicate lumps to stringy pieces. If the soup tastes flat, a pinch more seasoning usually brings it alive.
  • Simmer for an additional 10 to 20 minutes to meld flavors: During this final simmer the flavors marry and the broth rounds out, with steam carrying a warm, savory scent through the kitchen. You will see small shimmering fat droplets on the surface that indicate richness. Give the pot a taste about halfway through to confirm balance. A common mistake is rushing this resting simmer, which prevents the flavors from fully integrating; patient simmering yields a more harmonious bowl.
  • Adjust seasoning as needed: Before serving, check for salt, pepper, and overall balance. The right seasoning brightens the soup without masking the crab . Add small increments and taste between additions. Over-salting can be corrected slightly with a squeeze of acid or more water, but it is better to season slowly and deliberately to avoid an off final flavor.

Notes

  • Boost the broth by using higher quality seafood broth or simmering shells briefly to deepen flavor, then strain before adding to the pot.
  • Adjust the spice by adding a pinch more Old Bay seasoning or a gentle shake of black pepper if you want warmth, taste as you go to avoid overpowering the crab meat.
  • Thicken naturally by mashing a few cooked chunks of potato against the pot side and stirring them back in, which gives a creamier texture without adding dairy.
  • Keep crab lumps by folding the crab meat in at the end with minimal stirring, preserving the delicate visual and mouthfeel of the shellfish.
  • Make it ahead by cooking the base through the simmer stage, cooling completely, and reheating gently before adding the crab meat to finish, which helps flavors meld overnight.
Keyword crab soup recipe, easy seafood soup, Old Bay crab soup, winter seafood stew