Place the cherries, juice and sea salt in a saucepan. Cover and bring to a boil. Turn off the flame and let the cherries soak for 1 hour. After soaking, bring to a boil again without a cover. Slowly add the dissolved kuzu root starch, stirring constantly to prevent lumping. When thick, turn off the flame. The filling is now ready.
For a slightly sweeter flavor you can add 1 to 2 tablespoons organic maple syrup, if desired.
Per serving - 190 calories, 0 g fat (0% calories from fat), 1 g protein, 47 g carbohydrate, 2 g fiber, 0 mg cholesterol, 75 mg sodium