noun
topping; extra portion on top; what's placed on top
Refers to an additional serving placed on top of a dish, or the act of adding it. Commonly used in food contexts, such as extra rice, meat, or toppings.
ラーメンにチャーシューの上盛りを頼んだ。
I ordered extra chashu on top of my ramen.
ご飯の上盛りは無料です。
An extra portion of rice on top is free.