- 4 cups packed finely chopped kale (preferably dinosaur kale)
- 1 large red apple such as Fuji or Honeycrisp, chopped, divided
- 1 cup thinly sliced celery
- 1/2 cup walnuts toasted and chopped, divided
- 1/4 cup plus 2 tablespoons raisins, divided
- 2 tablespoons Dijon mustard
- 2 tablespoons water, more if needed
- 1 tablespoon red wine vinegar
- 1/8 teaspoon sea salt