あったっけ

was there ... again?

→ 有る
phrase Rare #35,796
was there ... again? Informal expression used when trying to remember whether something existed, was available, or happened in the past. The subject is often omitted.
JA: 冷蔵庫に牛乳あったっけ?
EN: Was there any milk in the fridge?

さっきさっきどこあったっけ

Where was it again... just now?

— 万引き家族 (2018)

トム自分の父親について語ったことってあったっけ

Did Tom ever talk about his father?

トムの友達って会ったことあったっけ

Have we met Tom’s friend before?

そういえばここビールあったっけ

Come to think of it, did they have beer here too?

— 天気の子 (2019)

明日の英語って宿題あったっけ

Did we have English homework for tomorrow?