I'm not a batch cooker, so not much help but ime: Lentil dhal freezes well. If you search my name, my recipe should be on here. Then you'd just need some rice (microwave if feeling lazy!) and maybe some fresh salad for a v quick meal.
Soup? Then if you kept some bake at home baguettes in the cupboard you could have a v easy meal without needing to do any shopping.
I'm veggie, husband isn't. I made plain white sauce so that there were options regarding what to make with it when time came eg added cheese for macaroni cheese, used as parsley sauce etc. Made loads of quorn bolognese, chilli etc. My thoughtful mil bought round fuckloads of MEAT lasagnes which I don't eat but her darling son could. You know, cos I'd be neglecting him when the baby came