We are 2 adults, 2 young children. DD(5) gets school lunches free, DD(3) gets preschool lunch 3 times a week which we pay for (will be stopping and sending her with a packed lunch soon). I work from home full time, DH not currently earning. DCat has his own budget and monthly order from Zooplus as he's on a specific food type and weighs 7kg...
Our August bill for food, toiletries, household and cleaning products was £313. September's will be about £380 I think (have foolishly lost a receipt for a shop paid in cash, have assumed £50, I have vague recollections of it being around that).
Our budget is tight because it has to be. Thankfully we have an allotment share for all of our veg (and some fruit) and I cook everything from scratch including bread, pizzas, puds, cakes. Being able to do dried beans in a Ninja Foodi is a revelation. The rest of the family are pescatarian, I'm mostly vegan. Trying to cut down on UPFs, so lots of pulses, nut protein, and plain soya protein. I bulk buy toilet roll, oat milk, soya protein, sometimes flour, on Amazon subscribe and save where it works out economically viable.