This is one of those kick-yourself-in-the-head moments where you wish you could have thought of something as simple as the One Click Butter Cutter, well an American did.
The Whatever Works online shop observed that "Portion control is an important part of staying healthy. This ingenious butter cutter delivers one standard pat with each click of the handle.No more messy butter dish. 5 pats equal 1 tablespoon. Slices, serves, and stores one stick of butter or margarine. ABS plastic. Dishwasher safe. 2"W x 3"D x 8"H".
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