A guide to keeping your canned food fresh, including the best way to store your canned goods before and after opening.

Fresh, ripe tomatoes will last from two to five days on the counter at room temperature. A refrigerated ripe tomato can last up to two weeks. Cut tomatoes only last in a cool fridge for a day or two.

There's a certain struggle that accompanies using only part of a tomato. What happens to the rest of it? Well, whatever you do, don't toss it. With proper storage, sliced tomatoes can be enjoyed on a ...