In a large pot melt butter over low heat. Stir in marshmallows until completely melted. Remove from heat.

Use a buttered spatula to stir in Lucky Charms cereal until fully coated.

Press cereal mixture into a greased 13x9 inch pan. Cool.

Cut into squares and remove from pan.

Over a double boiler melt white chocolate; remove from heat.

Dip bottom of cereal treat into the melted chocolate; place on a wax paper covered baking sheet.

Allow chocolate to cool and enjoy!