Chile con queso, sometimes described simply as queso, is an appetizer or side dish of melted cheese and chili pepper typically served in Tex-Mex restaurants as a sauce for nachos. Chile con queso is a warm dish, heated to a desired temperature. Chili con queso can be eaten with tortillas, tortilla chips, or special queso chips which are thicker than regular tortilla chips. It can also be used as a condiment on fajitas, tacos, enchiladas, migas, quesadillas or any other Tex-Mex dish.