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Another variation of the dish is called " buttered yao hon " or " buttered chhnang pleurng " ; the same ingredients are used but are instead cooked on a flat grill pan where butter is used as the base ( this is similar to Korean barbecue ) .
 Korean barbecue
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Answer:
 Korean barbecue