One simple strategy I have seen many parents use for meal planning is to have a set dish they make for each day of the week. Then, no matter where you are in your day, whether at work, picking up children from school or wiping noses, you always know that if it is Wednesday, for example, you will have burritos for dinner.
Having a plan that stays pretty much the same every week makes grocery shopping simple, too. It’s easy to always have a stash of tortillas in the freezer and to know that Tuesday night you will need to soak your beans. Or, you pull a jar of already cooked ones from the freezer because every other week you make double.