- 8 pickled herring fillets
- 1 1/4 cups plain low-fat yogurt
- 1 onion, chopped
- 1 pickled cucumber, diced
- 1 tablespoon prepared yellow mustard
- ground black pepper to taste
- 1 pinch white sugar, or to taste
- Cut herring fillets into small pieces and place in a bowl. Add yogurt, onion, pickled cucumber, mustard, black pepper, and sugar; mix well to combine.
- Cover with plastic wrap and chill before serving so the flavors can develop, at least 3 hours.