Melt 1/2 cup butter, 1 ... marshmallows; pour over Rice Krispies. Press 1/2 to 3/4 ... butter, caramels and milk together. Pour this mixture over ... mixture doesn't ooze out.
Melt 1/2 cup butter and 1 1/2 package marshmallows. Add Rice Krispies. Press 1/2 of mixture ... butter and sweetened condensed milk together. Pour over mixture in ... (at least 2 hours).