Seafood Cocktail

1. Step 1

   In a large pot of boiling salted water, cook the prawns and langoustines for 5 to 7 minutes, or until they turn pink and are cooked through.
2. Step 2

   Peel the prawns and cut them into bite-sized pieces.
3. Step 3

   Slice the lettuce into fine julienne strips.
4. Step 4

   Cut cherry tomatoes in halves (optional, for added freshness and color).

Assemble the Cocktail Cups

1. Step 1

   Take 4 serving glasses or cups.
2. Step 2

   Add a layer of shredded lettuce at the bottom.
3. Step 3

   Top with chopped prawns.
4. Step 4

   Spoon in a generous amount of pink sauce or mayonnaise.
5. Step 5

   Place one whole langoustine on top of each glass.
6. Step 6

   Garnish with a slice of lemon and cherry tomatoes if using.
7. Step 7

   Serve chilled as a light and classy appetizer!