Eat your favorite fruits and vegetables year-round by breezing through the frozen-food aisle. What you’ll find isn't just convenient, it’s nutritionally rich and light on the wallet, too. Plus: Grocery Shopping Tricks That Save You Money »
Cost per serving: $1.55
Eliminating all the cleaning and stemming of fresh spinach is a big time-saver. Plus, you can use just a bit and keep the rest frozen. Toss a handful into the blender instead of ice when you make a smoothie—you probably won’t taste it, but you’ll add vitamin A, calcium and iron to your recipe.
See Recipe: Beef-and-Spinach Pie