Open sandwiches with prawn, tomato and lime mayonnaise - Recipes - Slimming World

Open sandwiches with prawn, tomato and lime mayonnaise

Open sandwiches with prawn, tomato and lime mayonnaiseThis is a prawn sandwich like no other, with zesty mayo and peppery watercress complementing the fish perfectly.

Open sandwiches with prawn, tomato and lime mayonnaise
  • Serves: 4
  • Cook time: 10 mins
  • Ready in: Less than 30 Minutes
  • Difficulty Rating: 1
  • Syns per serving:

      Deduct 6 Syns if using Wholemeal bread small loaf as a Healthy Extra.


  • 300g pack frozen cooked and peeled prawns, defrosted and drained
  • 2 tbsp lime juice
  • 2 large tomatoes, halved, deseeded and finely chopped
  • 100g fat free natural fromage frais
  • 3 level tbsp extra light mayonnaise
  • Salt and freshly ground black pepper
  • 8 slices wholemeal bread (from small 400g loaf)
  • 75g pack watercress


  1. In a bowl, mix the prawns with the lime juice, tomatoes, fromage frais and mayonnaise and season to taste.
  2. Place 2 slices of bread on each plate and top with a small handful of watercress. Divide the prawn topping between the bread and serve immediately.

Tip: This filling travels well stored in a plastic container, ready to assemble when needed.

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