Food prices, like all other costs, are rising. However, it is possible to feed a family for four on $75 a week by shopping at Walmart, practicing once-a-week cooking, and buying fresh options. Here's a menu, meal plan, recipes, and a shopping list that covers three meals a day for seven days. I've also included special diet options, including vegetarian meals. How to Feed a Family of Four on $75 a Week from Walmart