Prawns cocktail

Ingredients     800g fresh prawns, cooked and peeled     500g fresh tiger prawns, cooked and peeled     350g lemons, washed and cut into wedges     2g cayenne pepper     5 slices brown bread, buttered     For salad, mix together :     500g Iceberg lettuce, washed and     thinly shredded     200g each, cucumber and spring onions, washed and thinly sliced     For cocktail sauce, mix together:     150ml mayonnaise     50g tomato ketchup     5ml Worcestershire sauce     1ml tabasco sauce     5g salt     Juice of 1 lemon      Preparation Layer a few prawns, cocktail sauce and Iceberg salad (in that order) three times in each glass. Top each glass with a tiger prawn and sprinkle some cayenne pepper on top. Serve with buttered brown bread and a lemon wedge.