Here is a handy tool that lets you spread butter more evenly on your slices of bread. The Chef Master 90021 Butter Wheel can store up to 36 ounces of butter. It has a stainless steel construction. The wheel can be removed for easy cleaning of the entire unit.
The Chef Master Butter Spreader has holes to trap butter and spread it to your bun as the wheel spins. You can find out more here.