Dillas Primo Quesadillas is adding a drive-thru to its Frisco location. The fast-casual restaurant is located at 3930 Preston Road, Ste. 140, and has other locations in North Texas and Louisiana. The drive-thru should be operational in early June, a spokesperson said. Dillas serves made-to-order gourmet quesadillas such as a Buffalo bacon quesadilla, a hot hatch quesadilla. The restaurant also serves salads and build-your-own quesadillas. 469-362-6123. www.dillas.com