Prawn cocktail with homemade sauce

Ingredients

• 2 teaspoons white wine vinegar
• 1 egg yolk (we recommend red lion-stamped eggs)
• 1 drop Tabasco
• 1 drop Worcestershire sauce
• 20g rapeseed oil
• 1 tablespoon tomato juice
• 1 teaspoon lemon juice
• 320g mixed salad leaves or baby herb, washed
• 240g cooked prawns
• 1 lemon
• 12 sprigs fresh dill
• 12 cucumber balls (you can make them with a melon baller)