Grains are a powerhouse of nutrition: vitamins, minerals, fiber, and protein. There are never-ending recipes for preparation. Here is an article from The New York Times, Quick and Easy Cooking With Grains, by Tara Parker-Pope, to get you started.
"I can’t emphasize enough the importance of a well-stocked pantry to a healthy diet. If you have grains and legumes on hand — especially quick-cooking ingredients like bulgur, quinoa, rice and lentils — you’ll always have the basis for a healthy meal."