The Cheesecake Factory is one of the top 40 restaurant chains in the US, known for its extensive menu of cheesecakes, pastas, sandwiches, and appetizers, including its famed avocado egg rolls. But fans may not realize that the publicly traded company, with a market cap of around $3 billion, was a family-run bakery business for years before it scaled across the US and abroad. "Growing up, it was all about cheesecake. And we knew people loved it," Cheesecake Factory CEO David Overton said in a video on the company's website. Overton is referring to his mom's cheesecake business. On and off for years, Evelyn Overton sold her cheesecakes to local restaurants in Detroit and Los Angeles. But her wholesale bakery never took off. Many restaurants scoffed at the idea of selling flavored cheesecakes. So the younger Overton, a musician at the time, decided to open a restaurant in 1978 to showcase his mom's variety of cheesecakes.…