A machine for making homemade ice-cream and similar having an outer casing, a mixing bowl housed inside the machine and projecting outwards of the casing, and a movable lid hinged to the casing and movable to and from an operating position in which it closes the top end of the bowl completely; the movable lid having a supporting arm which is hinged to the casing and is provided with a through opening positioned over the top end of the bowl when the supporting arm is in a lowered position, and a cover fixed to the supporting arm so as to be positioned closing the top end of the bowl when the supporting arm is in the lowered position; the cover having a cup-shaped body fixed upside down to the supporting arm with the bottom of the cup-shaped body located at the through opening, a threaded tubular sleeve which engages a through hole formed in the bottom of the cup-shaped body so as to project from the supporting arm on back through the through opening, and a lock nut screwed to the end portion of the tubular sleeve to grip the supporting arm between the cup-shaped body and the lock nut.