Menchie’s Frozen Yogurt Celebrates 500 th Location. World’s Largest Self-Serve Frozen Yogurt Franchise Opens Milestone Store in Saratoga Springs. June 29, 2015 08:10 AM Eastern Daylight Time.

The profit margins seem staggering -- yogurt selling for 59 cents an ounce, yet costs less than a dime to produce. Even when you subtract the expense of cups and spoons, studies show a 500-percent ...