Starbucks Corp. wants to team up with other companies to buy milk, sugar and other essential food items. Darden Restaurants Inc., owner of the Red Lobster and Olive Garden chains, is moving to a system where it buys only what it knows it needs.

Such strategies, which are new to the restaurant business, come as chains are seeking ways to blunt the impact of higher prices for grains, meat, sugar and other essential ingredients.

“We’re seeing a level of sophistication in supply-chain management that didn’t exist five years ago,” says Dave Donnan, a partner in the consumer-products practice at consulting firm A.T. Kearney. “The separation of those that will succeed and those that will fail will be based on attention to detail.”

Rising global demand for protein, unfriendly weather in key growing regions, government mandates to turn corn into ethanol, and speculative investors have helped boost the price of many food commodities in recent months. At the same time, high unemployment, weak home values and skittish consumers in the U.S. have made raising prices risky for restaurants.

Follow this link to read more: