Did you know that sales of hummus in the U.S. have doubled over the last four years? Me neither, until PepsiCo (NYSE: PEP) bought a 50% stake in Sabra, the fastest-growing hummus seller in the U.S. PepsiCo will help Sabra expand the brand beyond its stronghold in the Northeast. Hummus will add a nice complement to PepsiCo's salty snack portfolio. Hummus and a bag of blue corn Tostitos make a tasty snack--and a much healthier alternative to the oil- and sodium-packed Lay's potato chips.