What's the yellow stuff in Blue Crabs?
Chef's answer
mustardmustard Yellow substance found inside a cooked crab. Contrary to popular belief, the "mustard" is not fat, rather it's the cras hepatopancreas, the organ responsible for filtering impurities from the cras blood..
Frequently asked Questions 🎓
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For the crab to grow larger, it molts, or sheds its shell periodically. A molting crab is said to be a "soft-shell." Mustard: Yellowy substance found inside a cooked crab. ... She-crab: An immature female crab, also known as a "Sally.".
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