dish for keeping muffins hot
• (n.) A dish for keeping muffins hot.
1 Round dish with domed cover used for serving hot muffins. 2 Small caster first used late 18thC for sprinkling muffins with cinnamon or salt. Examples are usually of silver, sometimes with a porcelain body, and have finer holes than a sugar caster.
Muf`fin·eer' noun A dish for keeping muffins hot. 
A small plain caster, found during the late 17thC and early 18thC in silver and brass and often with a scroll handle to the side.
a caster for sprinkling sugar or other condiments on food.