Norpro 287 Mini Stoneware Butter Keeper Keeps butter fresh, soft, and spreadable on the counter or tabletop for up to 30 days Measures 2" in diameter by 2.2" high, and holds 2 Tbsp. of butter Perfect for singles or empty-nesters; ideal for use as individual butter servers for dinner parties or for breakfast in bed; great for holding an array of flavored butters Just fill the lower crock with a half-inch of cool water, fill the cup-shaped lid with butter, and return the lid to the water-filled crock; the water seals out air, keeping the butter fresh and sweet