She's known for her delicious rolls and other tasty treats. So, what's the secret to Sister Schubert's success? Tuesday night, she shared her formula for success with area business leaders. Patricia Barns, who we all know as Sister Schubert, spoke at the Minorities and Women in Business Event hosted by the Montgomery Area Chamber of Commerce. Her daughter, Chrissie, also spoke about how she started her own cookie business. Both say passion and hard work are the keys to success. "I am living proof that you can do anything you want to do if you work hard every day at it," said Patricia.