noun
plain omelet
A simple omelet without fillings or toppings, often just eggs and seasoning.
朝食にプレーンオムレツを作った。
I made a plain omelet for breakfast.
Variant with interpunct; less common but still seen.
オムレツ is the general term for omelet, while プレーンオムレツ specifically refers to a plain one without fillings.
Loanword from English 'plain omelet'.