Since making our Top 50 list in 2013, Miller’s Smokehouse, in Belton, has transformed from its humble beginnings. The business moved from a small storefront to a more prominent location in the downtown area in 2016. The Miller family opened a roastery and coffee shop called Muscovy Coffee Roasters in nearby Salado in 2022. Daily breakfast was added in 2020, and to support its growth, matriarch Lisa “Momma” Miller stepped in, not only as a baker but to lead the team that produces an ever-expanding list of baked goods for the family’s restaurants.I make the drive from my home in Dallas to Austin about once a month. I usually get to Belton, just south of Temple, at around 10 a.m., and knowing that this breakfast…