Tony Lordi sighs as he reaches into the pocket of his white uniform pants and pulls out his iPhone.

These days, Lordi, the production manager at Judy's Bakery in Kansas City, Mo., checks with his supplier every day. He needs to know the price of what's become liquid gold for commercial bakers: "liquid egg."

"The market's like gas prices at this point," he says.

Rarely heard of outside the food industry, liquid egg is used for dozens of things, from cakes and cookies to mayonnaise and lots of breakfast dishes. On this day, Lordi learns that the price of a 30-pound bucket of liquid egg is $79.24 – more than double what it was in May.

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