$150ish weekly for 1 adult and 3 kids (though one eats nearly double what I eat, and the second one eats near as much as me - Miss 2 is well on her way too lol). I however have no choice but to buy at one of the big 2 supermarkets at their price mercy. We have no bakery or fruit and veg place sea pate to those. We are remote.
I pack all school lunches except for maybe 2 lunch orders a term. We eat out about once a week.