I can relate to this. We also had trucks and push carts that served quick take out meals near schools but because that was always discouraged by my grandparents

I can relate to this. We also had trucks and push carts that served quick take out meals near schools but because that was always discouraged by my grandparents. If food wasn’t pre packed or made fresh right in front of our eyes(like dosa and idly in south of India), the general rule is to not to buy anything from food carts.