The leaves can be harvested individually when they are about 4-5 inches long. Leaves have the best flavor and tenderness when they are young.
Remove flower buds as they appear to encourage the plant to continue producing leaves!
Use sorrel leaves fresh: they can be stored in the refrigerator for 1-2 weeks if necessary. They can also be frozen or dried for longer term storage, but will lose much of their flavor.
A popular feature in French cuisine, Sorrel has been used in ancient Europe and Egypt to impart an intense lemon-citrus flavor in dishes.
Romans and Greeks historically used sorrel to help digestion after heavy meals. Medicinally it has been used to aid skin conditions, liver conditions, and fever. Sorrel has significant amounts of Vitamin C, potassium, phosphorus, calcium and magnesium.
Use as desired to taste: Sorrel boasts intense flavor! Sorrel traditionally pairs excellently with whitefish, can be used to boost flavor in soups, or is added to salads for bursts of flavor. The flavor is often described as an acidic, refreshing, spinach-like astringency.