Mackenzie s Grill Room offers a variety of dining options, as well as wines, ales and lagers. Its menu includes herbed garlic bread, Bermuda onion rings, spuds, Buffalo wings, chicken fingers, cheese steaks, chicken marsala and pasta dishes. The restaurant also provides shrimp brochettes, chicken and ribs, Cajun chicken sandwich, grilled Portobello mushroom and mesquite smoked filet mignon. Mackenzie s Grill Room offers Caesar, spinach and gorgonzola salads. It provides food delivery services. The restaurant s dessert items include baileys Irish cream pie, tuxedo truffle mousse cake, chocolate peanut butter pie and hot fudge and butterscotch sundae. Mackenzie s Grill Room is located in Old Greenwich, Conn.