Hand-drawn illustration of a prawn mayo sandwich with soft white bread, prawns, lettuce, cucumber, and chives.

Featured Sandwich

Prawn Mayo Sandwich Recipe

Name: Prawn Mayo Sandwich
Prep time: 15 min
Total time: 15 min
Yield: 2 sandwiches
Cuisine: Global
Ingredients: 4 slices Soft white sandwich bread; 240 g, chilled and patted dry Cooked peeled prawns; 3 tablespoons Mayonnaise; 1 teaspoon Lemon juice; 1/2 teaspoon Lemon zest; 1 cup, shredded and dried Little gem lettuce; 1/2 small, thinly sliced and blotted Cucumber; 1 tablespoon, finely sliced Chives; 1 tablespoon Softened butter; to taste Black pepper

Created by@sandwichloversOfficial

A British cold seafood sandwich with prawns, lemon mayonnaise, lettuce, cucumber, chives, and soft white bread.

Ingredients

Measured for 2 sandwiches.

Ingredient Note

Soft white sandwich bread

Soft bread is classic for prawn mayo, but it needs a light barrier.

Detailed Recipe

Time

15 min

Level

Easy

Servings

2 sandwiches

1Pat the cooked prawns dry with a paper towel.
2Stir mayonnaise with lemon juice, lemon zest, chives, and black pepper.
3Fold the prawns into the lemon mayonnaise.
4Spread a very thin layer of softened butter on the bread.
5Add dry shredded lettuce to 2 slices of bread.
6Spoon the prawn mayo over the lettuce and spread it evenly.
7Add blotted cucumber slices, close the sandwiches, and press gently.
8Slice diagonally and serve cold.

Recipe guide

How to make Prawn Mayo Sandwich

This prawn mayo sandwich recipe is built for a clean British-style cold seafood lunch: chilled prawns, lemon mayonnaise, lettuce, cucumber, chives, and soft bread.

Moisture control matters more than complexity. Pat the prawns dry, blot the cucumber, dry the lettuce, and use a thin butter layer so the soft bread stays tender instead of soggy.

What it is

Prawn Mayo Sandwich is a british seafood / deli sandwich built around soft white sandwich bread. The important idea is proportion: the bread should frame the filling, the main ingredient should be easy to bite through, and the final layer should add either crunch, acidity, or richness.

Because this version is measured for 2 sandwiches, it is easy to scale. Keep the same ratios when doubling the recipe so the sandwich still feels balanced instead of overloaded.

Why it works

Cooked peeled prawns gives the sandwich its center, while Lemon juice keeps the bite from feeling flat. Soft white sandwich bread adds the structure, which matters as much as flavor because a good sandwich has to survive being picked up, sliced, and eaten.

Mayonnaise should be spread all the way to the edges. That creates flavor in every bite and can also protect the bread from loose moisture.

Ingredient notes

Choose bread that is fresh but sturdy. If the bread feels too soft, toast only the cut side or inner face so the exterior stays tender while the inside gets a protective layer.

Cut or fold the main filling into bite-friendly pieces. Sandwiches fail when one ingredient pulls out in a single strip, even if the flavor is right.

Step-by-step technique

Prepare the wettest ingredients first, then drain or blot them before they touch the bread. Next, cook, warm, or toast each component just long enough to improve texture without making the bread heavy. Build from the sturdiest layer upward and keep slippery ingredients away from the outer edge.

After assembly, press the sandwich gently for a few seconds. That small pause helps the layers settle without crushing the bread or squeezing out the sauce.

Bread choice

Soft white sandwich bread is the default because it matches the filling weight. If you change the bread, match texture first: soft fillings need tender bread, saucy fillings need a sturdier roll, and crisp fillings need bread that yields before the filling pulls free.

For a cleaner cross-section, slice with a sharp serrated knife and let hot fillings rest for a minute before cutting. The sandwich will look better and eat with less collapse.