True to its name, a helping of sour candy can be intensely mouth-puckering. But what exactly makes this sweet treat such a wonderfully sour experience?

Colorful Sour Patch Kids spilled and lined up on white surface. - Kat Weakley/Shutterstock I started shopping at Aldi when I took a pay cut, and now it's my go-to store. Here are 9 of my favorite ...