When Debbie Healy '95, right,started baking biscuits forthe family dog, she had noidea they'd become herbread and butter. She andher younger sister Kara, left,cooked up a batch of snacksbecause they didn't care forthe ingredients found inmost dog treats. Theirchocolate Labrador retrieverStel immediately let the pairknow they were on to something. "Stel was so pumpedhe almost bit my hand," saysDebbie. Three years later,they are ready for America'sdogs to lap up some$500,000 worth of their silver-dollar-sized Hiss Biscuits. And Stop & Shop hasadded the canine niblets tothe shelves of 168 of its 202stores. Small wonder thatthe sisters are grinning inthe picture that appears onthe back of each 12-ounce,$2.99 package of CheasyPleasy, Nuddy Buddy andOriginal Flavor treats.