E-mealz is a weekly planning resource with over 28 menu options to choose from. They provide menus for people on the Weight Watchers points system, meals for two, meals for four, even gluten free meal plans. You download a weekly meal plan and shopping guide once a week and head out to the grocery store. It's even endorsed by Dave Ramsey if that makes a difference to you.
According to Blogging Away Debt she has reduced her grocery bill to half of what she used to spend.
Even if you don't win E-mealz is still reasonably priced at $1.25 per week. If you click from her blog post on the link you can immediately get 10% off.