Melt the butter and combine it with the sweetened condensed milk & vanilla extract until well blended.
Add the graham crumbs, coconut, and chocolate chips. Mix to combine well.
Refrigerate for an hour or so before rolling the mixture into 1 1/4 inch balls. Make them on the smallish side as they are quite rich.
Roll the balls in additional graham crumbs and chill until firm.
Refrigerate in a sealed container to store.
Servings: 40 cookie balls
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