Janet Cripps' retro classic went down a treat on Come Dine With Me Folkestone and Dover
In a bowl mix the ketchup, mayonnaise and cream, then season to taste.
Wash and dry the prawns and lettuce then layer in serving glasses. Pour over the sauce and chill until needed.
Serve with lemon wedges, sprigs of parsley and brown bread.
Please note this recipe is the contestant's own and has not been tested professionally. Like the Come Dine With Me contestants, you could be creating a culinary delight or dining disaster, so switch on your ovens and be bold.
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