When Three Dog Bakery opened in Lee’s Summit, MO, last year, it became the 47th location — a dream that seemed impossible 31 years ago, when the original Kansas City shop was the only canine bakery in the country. Far ahead of the trend, founders Mark Beckloff and Dan Dye started making dog food to help their rescue mutt, Gracie, who had stomach sensitivities. These doggie truffles are a longtime favorite.