I just buy for me and dd and probably spend $150 every two weeks. She's 14 & loves to eat...and eat...and eat-yet stays a perfect size.

I try to buy everything once or twice a month then only go back for something special or milk/bread, etc.
The only meat I buy is boneless skinless chicken breast & ground chuck. Sometimes I'll get steaks for dd but I don't like them & we don't eat pork.
I can eat the store brand of almost anything so that saves, too. Just not pb, pop, prego, ketchup...
We do eat out a couple times a week or I'll stop by the store to pick up a skillet meal or something quick. I need to learn some new recipes as I'm pretty sick of what I know how to make.