one person's portion; serving for one
Used for food, ingredients, or allocated amounts intended for a single person.
This recipe is for one serving of ingredients.
I bought a single-serving cake.
Standard kanji spelling.
Variant using numeral 1; common in menus and recipes.
Compound of 一人 (ひとり, 'one person') + 分 (ぶん, 'portion, share').