Wash sorrel sepals thoroughly and drain.
Combine sepals and water in a pot, bring to a boil then remove from heat.
Rub through a sieve or blend lightly using a blender.
Pour in a sauce pan, add sugar and cinnamon.
Dissolve cornstarch in 3 teaspoons water and add to the blended mixture.
Return to the flame and simmer for 2-3 minutes.
Method Note: Either a stainless steel or enamel pot should be used for the preparation of sorrel.
Yield: 1 cup