The present invention relates to an advantageously interactive item of furniture and/or appliance comprising: at least one worktop formed from at least one substrate made of a monolithic glazing material and of area larger than 0.7 m2, said substrate having a lightness L* higher than 10, a light transmission TL lower than 50%, an opacity indicator higher than 90, and if needs be a haze higher than 15%; at least one heating element; at least one light source, in particular intended to light up one or more zones or one or more elements or displays of the substrate, in particular by projection, this source for example being located plumb with the substrate; and at least one interface for communicating with at least one element of the worktop such as the one or more light sources and/or the one or more heating elements and/or if needs be wirelessly with at least one external element.