Basic Guidelines For English Spellings
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1Cooking
"à la Portugaise": according to Portuguese style (in savoury dishes usually with tomatoes and frequently also onions and garlic).
2= Portuguese oyster .
Of food: prepared à la Portugaise.
Late 18th century; earliest use found in Menon's French Family Cook. From French portugaise (early 17th century or earlier in à la portugaise prepared in Portuguese style, applied to various savoury or sweet dishes, e.g. oeufs à la Portugaise, ragout à la portugaise, omelette à la Portugaise, pomme à la portugaise; 1890 as noun in sense ‘Portuguese oyster’), feminine of portugais.