Simply mix together the following and season to taste:

4 tablespoons chopped fresh parsley

4 tablespoons crème fraiche

4 tablespoons mayonnaise

4 spring onions, chopped

1 tablespoon capers

1 tablespoon gherkins, finely chopped

1 teaspoon horseradish (optional)

Salt and pepper

Juice of ½ lemon or lime

Improves in flavor if allowed to sit for a while!