San Antonio chef Johnny Hernandez this month will debut two new amenities at his Southtown burger joint Burgerteca, lifestyle site All of SA reports. The restaurant, located at 403 Blue Star, will soon unveil a margarita garden and coffee bar, a Jan. 10 Instagram post from All of SA notes. The margarita garden is being billed as “a refreshing twist on the traditional beer garden,” where patrons can sip on handcrafted margaritas amid lush surroundings.