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Prawns Butter Toasts

This sophisticated prawn butter recipe is a timeless addition to any party platter or afternoon tea spread. By gently sautéing fresh prawns with onions and a hint of cayenne, you create a deeply savoury spread that is both rich and delicate. The key to the best flavour is allowing the butter to mature in the fridge, which allows the citrus and spice to meld perfectly with the sweet seafood.

Ideal as an elegant starter or a refined snack, these buttered toast points provide a satisfying crunch that complements the creamy texture of the prawn infusion. While this version is perfect for entertaining, any leftover butter can be tossed through warm pasta or used to finish a piece of grilled white fish for a quick, luxurious midweek meal.

Continue reading below

Ingredients for Prawns Butter Toasts

  • 1 1/2 sticks (170g ) unsalted butter, softened

  • 450g medium prawns in shell (31 to 35 per lb), peeled and deveined

  • 1 teaspoon salt

  • 1/2 teaspoons black pepper

  • 60ml minced onion

  • 2 1/2 teaspoons fresh lemon juice

  • 1/8 teaspoons cayenne

  • 10 slices firm white sandwich bread, crusts discarded and each slice cut to form 4 triangles

  • 3 tablespoons unsalted butter, melted

  • Garnish: whole cooked prawns

How to make Prawns Butter Toasts

Heat 2 tablespoons butter in a 10-inch heavy skillet over moderately high heat until foam subsides, then sauté prawns with salt and black pepper, stirring, until just cooked through, 1 1/2 to 2 minutes. Transfer prawns with a slotted spoon to a food processor, reserving skillet (do not clean).

Cook onion in 1 tablespoon butter in skillet over moderately low heat, stirring occasionally, until softened, 2 to 3 minutes. Scrape onions into processor and cool mixture to room temperature, about 15 minutes. Add lemon juice, cayenne, and remaining 140ml butter and pulse until prawns are finely chopped. Pack prawns butter into a 2-cup ramekin or serving bowl and chill, its surface covered with plastic wrap, at least 6 hours (to allow flavours to develop). Bring to room temperature 45 minutes before serving.

Put oven rack in upper third of oven and preheat oven to 204°C.

Brush 1 side of bread triangles lightly with melted butter and toast, buttered sides up, in a large shallow baking pan until golden around edges, 6 to 8 minutes. Transfer to a rack to cool. Serve toast points with prawns butter.

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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