Instead, you can just sharpen them. We found a pocket knife sharpener on sale that one reviewer says changed their blades from “butter knife dull” to “razor sharp” after one use ...

Make enough attempts to cut foam using whatever you’ve got — utility knife, hacksaw, serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better.

Butter needs to be whipped before it can be ... The Offundo is a bread buttering device that is five times faster than a knife. Each Offundo has two parts, a hopper and a plunger.