Act out a similar dialogue. Use the phrases from the language box:
Asking about meals:
What are you having/eating?
Is that all you're having? Do you eat a big breakfast?
What do you usually have for lunch?
Do you prefer an early or a late dinner?
Describing what I eat
I love … for lunch.
I have a light meal. I usually have… I try to have a healthy breakfast.
I prefer a big breakfast. I have …
I always have …