Breakdown of Compramos la comida en ese puesto.
en
in / on / by (means of transport) / about (after pensar)
comprar
to buy
la comida
the food; the meal, lunch (the main midday meal in Spain)
ese
that (m.sg., also esa, esos, esas, eso)
el puesto
the stall
Elon.io is an online learning platform
We have an entire course teaching Spanish (Spain) grammar and vocabulary.