- 4 seedless English cucumbers, thinly sliced
- 4 vine-ripened tomatoes, diced
- 1 onion, thinly sliced
- 1 cup apple cider vinegar
- 1/2 cup granulated sugar
- 2 (12 ounce) jars herring pickled in wine sauce (such as VitaR)), liquid drained and reserved
- Combine cucumbers, tomatoes, and onion in a large glass mixing bowl.
- Stir vinegar and sugar together in a small saucepan over medium-low and bring to a boil; cook and stir until the sugar dissolves. Pour over the vegetable mixture. Marinate mixture in the refrigerator for 30 minutes.
- Stir the reserved liquid from the herring into the vegetable mixture. Fold herring into the vegetable mixture. Refrigerate 1 hour more before serving.