Dos Mary's Tex-Mex Bar and Grill opened Jan. 10 in downtown Round Rock. The Tex-Mex restaurant is located at 118 E. Main St., Round Rock, the former site of Nixtamal's Tacos and Drinks. Dos Mary's serves enchiladas, fajitas and other Tex-Mex dishes. 512-350-2307. www.facebook.com/dosmarysrestaurant