Frozen Peas
Frozen peas are some of the most underutilized ingredients in the entire grocery store. Instead of ignoring the bag of little green balls, you should be stocking up your freezer with them. Peas are delicious, nutritious, and they go great in a cottage pie.
Limes
Lemons are flying off the shelves, but limes, not so much. Since there is an abnormal number of limes on (and in) the market, they're all going on sale. Margaritas, anyone?