Franklin, Tenn. — In-N-Out Burger, a popular fast-food chain based in California, plans to expand to Tennessee, beginning with a regional office in the Nashville suburb of Franklin. The company plans to open its first Tennessee restaurant in the Nashville area by 2026, which represents the furthest east location for In-N-Out. “We are very excited to provide Tennesseans with our quality burgers, fries and shakes,” says Lynsi Snyder, In-N-Out owner and president. “This expansion is significant for our company. For many years, we’ve heard requests from our customers in Tennessee …