have breakfast
Wann frühstückst du?
When do you have breakfast?
Wieso frühstückst du hier?
Why are you having breakfast here?
— Eat Drink Man Woman (1994)
Frühstückst du zu Hause?
Do you have breakfast at home?
Was frühstückst du normalerweise?
What do you usually eat for breakfast?
Um wie viel Uhr frühstückst du normalerweise?
What time do you usually have breakfast?