Sorrel sauce is a sauce made from sorrel leaves, butter and cream often seasoned with salt and pepper to taste. It is usually an excellent accompaniment to salmon and poached white fish. Sorrel is native to Europe and is often found in the Caribbean.
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Sorrel sauce is a classic French cream sauce that uses the tart, lemony potherb commonly known as sorrel -Rumex acetosa as the defining ingredient. Oxalic acid, a naturally occurring compound in the plant, gives it this flavor.