Crispy Cocoa Bars

Butter 9 x 13-inch pan.

In a large saucepan over low heat, melt butter; stir in cocoa and marshmallows.

Cook over low heat, stirring constantly, until marshmallows are melted and mixture is smooth and well blended.

Continue cooking and stirring for one minute.

Remove from heat; add cereal and stir until well coated. Press into buttered pan with a buttered spatula and let cool and then cut into 24 squares.