Caramelized Onion Jam
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Appears in Cook's Illustrated May/June 2021
Onion jam's savory sweetness makes it the perfect addition to a burger.
WHY THIS RECIPE WORKS
Caramelized onion jam is a test kitchen favorite—its savory sweetness and rich color belie its simplicity, and its versatile flavor and thick, spreadable texture make it a delicious addition to any burger.