Simple: You either name 2 foods or show photos of them in case you think people don't know the foods here and than the next person picks the food they would like to eat and than post another food
Example: Fries or Chips
A: Chips
Pasta with tomato sauce or fried eggs
B: Fried eggs
Ravioli or steak
and so on
Grey bread with nutella or white bread with strawberry jam