Serves 4Preparation: 20 minIngredients:1 good-sized mango 300g cooked prawns Small handful lemon balm leaves Small bunch coriander 150g mache (lamb's lettuce), or 1 box cress Sauce: 1 teaspoon horseradish 1 teaspoon ketchup 4 tablespoon peanut oil 1 tablespoon sherry vinegarSee the full recipe