Guaca Mole’s Fernando Martinez and his family stretch their ambitions and imaginations with an affordable “American bistro concept” featuring mussels with six different sauces, and 12 clever twists on burgers. Located in a strip mall just beyond the Hurstbourne Lane-Taylorsville Road intersection, it is worth seeking out, both for the food and for the comfy bistro atmosphere created in the cavernous space tricked out by former owners.