What is your favorite tip for once a week cooking? I haven't quite converted yet, but I do batch cook. So, this is my favorite tip.
When ground beef is on sale, I crumble and brown a big batch. I add "standard" seasonings (pepper, garlic powder, italian seasoning). When cool, I divide into ziploc bags and freeze. Over the week, this becomes taco salad, chilli, spaghetti sauce, or a quick tortilla filling for the kids' afternoon snack. You can also do this with ground turkey.