At last! Pre-heated electric butter knife will spread cold butter

The knife, invented by British baker Warburton, heats to 41.8 degrees Celsius after research found that is the optimum temperature to spread butter.

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THAT! Spread That Serrated Warming Butter Knife, Black : : Home

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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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Williams Sonoma Breakfast Butter Blade

Self Heating Butter Knife Cool Sh*t You Can Buy - Find Cool Things To Buy