Because of course there’s a docking station. So keep it powered up, and you’ll always be just five seconds away from perfectly spreadable butter. It’s either that or letting your butter sit at room ...

The tip of the prototype battery-operated butter knife heats to a temperature of 41.8 degrees Celsius (apparently the optimum temperature for spreading butter, according to ‘toast experts’) in ...

Warburtons, a U.K. bakery chain, has given the world the heated butter knife. The battery-operated utensil solves the morning conundrum of how to introduce butter to bread, muffins, or pastries.