On Pier A of Departures you'll find around a dozen cafés, bars and restaurants, with choices including classic Belgian dishes, vitamin smoothies, burgers and seafood. Pier B has just half a dozen cafés and snack stops, as well as a bar-bistro. Child-friendly menus are on offer at the self-service restaurant Belgorama, Italian restaurant AMO and Belgian restaurant Panos in Pier A, as well as Italian restaurant Sapore, and Panos in the Departures hall. There are a couple of food concessions by the check-in desks and a Belgian bar & brasserie in the main Departures hall.
If you've got a return flight to a destination within the Schengen Area, you can use the free Shop & Collect service.
Just leave your purchases at the shop counter and collect them in the Baggage Reclaim hall when you return. Full details are on the airport website.