オニオングラタンでしょう
onionguratandeshō
1. Probably onion gratin.
Noun
#1225434
1. Probably onion gratin.
1. gratin
1. onion (Allium cepa)
1. it seems; I think
2. right?; don't you agree?
1. Of gratin; Gratin's
1. With gratin; By means of gratin
1. Gratin.; It is a gratin.
1. Of onion; Onion's
1. Was gratin.
1. If gratin; When gratin