Owned by the Hillstone Restaurant Group, R&D Kitchen stands for Research & Development. Gourmet American food is served, including sandwiches, salads, burgers and special entrees. Unique sides and extras include tabbouleh, chicken meatballs and the Dip Duo, which offers chips, smoky cheese and guacamole for dipping. Wine and beer cover the beverages for diners while the atmosphere is made up of comfortable booths, large windows and dimmed lighting.