Powdered milk, that kitchen science miracle, seems like it should last forever. Sadly, that's not true. Learn how to store it and when to toss it.

After tasting our way through the 12 buttermilk pancake mixes, we found a winner we'd be happy to whip up at home.

But not all chocolate chips are created equal—and there are a shocking number of options at the grocery store these days. To ...