
1 red bell pepper, finely diced
1 medium cucumber, chopped
1 cup celery, thinly sliced
1/2 cup red onion, finely chopped
2 tablespoons fresh parsley, chopped
1/2 cup apple cider vinegar
1/3 cup granulated sugar
1/4 cup olive oil
1 teaspoon celery seed
1/2 teaspoon black pepper
1/4 teaspoon kosher salt