When we grocery shop, we often buy more than we need—extra apples, more green beans, or an extra piece of meat. Unfortunately, much of this excess gets thrown away, wasting money.

Fortunately, there are tricks to keep your food fresh longer. Check out this handy slideshow for tips on extending the life of your groceries and saving money.

Wrap banana stems

As bananas ripen, they release ethylene gas, which softens the fruit and turns the skin brown. To keep bananas fresh longer, wrap the stems with foil or plastic wrap. This prevents the gas from escaping and helps keep the bananas firm and yellow.