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All answers having "Vegetable dish" as clue:

4 Character Answers:

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SLAW

YAMS



5 Character Answers:

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BEETS

KRAUT

PUREE

SALAD



7 Character Answers:

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PEASOUP



9 Character Answers:

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SUCCOTASH



13 Character Answers:

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CREAMEDONIONS

SWEETPOTATOES