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Cajun Prawns Stew

This aromatic Cajun prawn stew brings the deep, soulful flavours of Louisiana home cooking to your kitchen. The secret to this high-protein dish lies in the traditional roux, which is slowly darkened until it reaches a rich, chocolatey hue. This base provides a complex, nutty depth that perfectly complements the sweetness of the large prawns and the gentle heat of the cayenne pepper.

Ideal for a nutritious weekday dinner, this seafood stew is packed with lean protein and savoury vegetables including the classic Cajun 'holy trinity' of onion, celery and green pepper. Serve it over a generous portion of steamed white rice to soak up the fragrant, thickened sauce. It is a comforting yet healthy meal that is sure to become a household favourite.

Continue reading below

Ingredients for Cajun Prawns Stew

  • 2 tablespoons vegetable oil

  • 60ml plain flour

  • 1 medium onion, chopped

  • 1 small celery rib, finely chopped

  • 80g finely chopped green pepper

  • 240ml bottled clam juice (8 fluid ounces)

  • 180ml water

  • 1/4 teaspoons salt

  • 1/4 teaspoons cayenne

  • 575g peeled and deveined large prawns (21 to 25 per pound)

  • 1/3 cup thinly sliced spring onion greens

  • Accompaniment: white rice

How to make Cajun Prawns Stew

Stir together oil and flour in a 10-inch heavy skillet (preferably cast-iron) with a metal or wooden spatula, then cook over moderate heat, scraping back and forth constantly, until roux is the colour of light milk chocolate, 10 to 12 minutes.

Add onion, celery, and pepper and cook, scraping back and forth occasionally, until pepper is softened, about 8 minutes. Stir in clam juice, water, salt, and cayenne and simmer, stirring occasionally, until liquid is thickened, 8 to 10 minutes. Stir in prawns and simmer, stirring occasionally, until prawns is just cooked through, 3 to 4 minutes. Stir in spring onion greens and salt to taste.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 17 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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