Question

초밥에 연어회덮밥 시켰어요 When mentioning additional qualities or entities, -에 can be used in the way similar to 'in addition to' or 'on top of'. In this usage, -에 can occur replaced by -에다(가) in colloquial speech.

Accepted Answer

I ordered sushi and, on top of that, salmon sashimi rice

Front	초밥에 연어회덮밥 시켰어요
Back	I ordered sushi and, on top of that, salmon sashimi rice
Notes	When mentioning additional qualities or entities, -에 can be used in the way similar to 'in addition to' or 'on top of'. In this usage, -에 can occur replaced by -에다(가) in colloquial speech.

Top 에 초밥에 연어회덮밥 시켰어요 I Ordered Sushi