The knife, invented by British baker Warburton, heats to 41.8 degrees Celsius after research found that is the optimum temperature to spread butter.
Condiment Spreaders
Hold SpreadTHAT! serrated butter knife in the palm of your hand to facilitate heat transfer Carve away thin portions of butter with spreader and place
THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread
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Spread Knife, This butter knife make spreading ingredients a whole lot easier. By Digital Trends
Hold SpreadTHAT! serrated butter knife in the palm of your hand to facilitate heat transfer Carve away thin portions of butter with spreader and place
THAT Butter Knife, Heat Transfer, Copper Alloy Titanium Treatment, 6.9 inches (17.6 cm), Spread
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