PepsiCo has acquired US natural snack maker Stacy’s Pita Chip Company for an undisclosed sum.

The group, which recorded sales of $60m this year, is expected to operate as a separate unit, reporting to the North American division of PepsiCo Frito-Lay.

Irene Rosenfeld, Frito-Lay chairman and chief executive officer, said: "Stacy's enables Frito-Lay to be a leader in the pita chips category, while supporting our plans to expand our snack offerings to meet consumers' changing needs and lifestyles. “