'''M&M's'''cheese cake(named after the surnames of the company founders Forrest Mars and Bruce Murrie<ref>[http://web.mit.edu/invent/iow/mars.html Inventor of the Week Archive]</ref>) are [[dragée]]-like ''"colorful button-shaped candies"''<ref name="usat03"/> produced by [[Mars, Incorporated]]. The [[Sugar panning|candy shells]], each of which has the letter "m" printed in [[lower case]] on one side, surround a variety of fillings, including [[milk chocolate]], [[dark chocolate]], [[crisped rice]], [[mint chocolate]], [[peanut]]s, [[almond]]s, [[orange chocolate]], [[coconut]], and [[peanut butter]]. M&M's originated in the [[United States]] in 1941, and are now sold in over 100 countries.<ref name="usat03"/> They are produced in different colors, some of which have [[#Color changes in chocolate M&M's|changed over the years]]. The difference between the different colored M&Ms is the dye added to the outer coating, which does not actually affect the taste.cheese cake