Remoulade (for fish, cold roast pork, burgers)

Name: Remoulade (for fish, cold roast pork, burgers)
Prep time: 10 min
Total time: 10 min
Yield: about 250 ml (1 cup)
Ingredients: 1/4 cup (60 ml) finely chopped flat-leaf parsley; 1 tablespoon (15 ml) whole-grain mustard; 1 teaspoon (5 ml) lemon juice; 1 teaspoon (5 ml) creamed horseradish