Popcorn Cake
["1/3 c. butter", "1 bag large marshmallows (about 35)", "10 c. popped popcorn"]
["Put butter and marshmallows together in a pan over low heat until melted.", "Stir in popped corn and beat well.", "Press into a tube cake pan and let cool."]
["butter", "marshmallows", "popcorn"]