Sprout your beans for even two-three days, especially easy for lentils, and put in the window for one day to get green into the leaves, Reduces starch and adds vitamins.

Instead of onions, garlic and potatoes, consider cabbage/carrots, canned tomatoes, bunch parsley. More bang for your nutritional buck. Grow parsley inside. If you do buy potatoes, buy sweet potatoes. Broccoli is mutritionally dense, summer squash or cauliflower is not. Buy some bulk flake nutritional yeast at the healthfood or natural food grocery, has a "cheesy" sort of flavor and a LOT of B vitamins.

If you have a Chinatown or other ethnic market, check there, the prices are usually about half the big stores on produce.

A lot of produce gets thrown away at food stores. It is worth it to meet the produce manager. Ask if you can buy the stuff that is going to be discarded.

If your town, city has a food pantry, don't be too proud to get a bag of food as often as they allow until you get over this rough spot. The assortment will add variety.

If you cannot have a garden of your own, you can offer to help someone who has a large garden in exchange for some of the produce. Many older gardeners appreciate the help.