Frozen Yogurt Is Having a Renaissance, This Time at $30 a Bowl

The line outside a frozen yogurt shop in downtown Manhattan would’ve been rather unremarkable in a city filled with trendy experiences, except for one detail.

It was really cold.

“I was stunned to see people lining up in the winter to buy frozen yogurt,” said Howard Schultz, the former head of Starbucks.

Schultz, who is advising the company, liked what he saw that chilly day at Mimi’s, which had opened its first location the previous August. The 72-year-old billionaire is credited with changing how Americans think about coffee with better ingredients and more of a higher-end experience. He sees ...