These food brands have stood the test of time. From mustard made in 1814 to chocolate from the 1840s, they're still pantry staples around the world today.

The current cycle of big food companies splitting up, getting together, and finding new ways to reach customers has the industry contemplating its future.

Warren Buffetts $10 billion bet on the Kraft Heinz merger was meant to be a food-industry masterstroke. A decade later, the ...