Some government hand out “baby kits” for newborns - cot, blanket, nappies, bottles etc.
I think they should also hand out “self sufficiency kits” to new adults - pot & pan, utensils, cutlery, self sufficiency book w recipes, salt/pepper/herbs, coffee, tea seeds, vouchers and some other bits & pieces. Basically something to foster some independence, interest in cooking, diet and other life skills in new adults. And the school curriculum should also foster life skills.
Doesn’t stop people eating out or buying takeaways but it shouldn’t be the norm.
Make bigger batches and freeze portions. And whatever expense groceries are, you can expect food cooked by someone else and delivered by someone else to be 3x as much.