Ingredients
2 tablespoons red-wine vinegar
2 teaspoons whole-grain mustard
1/3 cup extra-virgin olive oil
2 tablespoons capers, drained and rinsed
1/3 cup lightly packed coarsely chopped fresh tender herbs, such as parsley, dill, tarragon, and chives
1 large hard-cooked egg, coarsely chopped
Kosher salt and freshly ground pepper
Preparation
Stir together vinegar, mustard, oil, capers, and herbs. Top with egg; season with salt and pepper. Serve with poached, sauteed, steamed, roasted, or grilled fish.