6 ounces semisweet chocolate
1 teaspoon vanilla
1/2 cup powdered sugar
3/4 cup chopped nuts or pecans
3 tablespoons light corn syrup
1/2 cup evaporated milk
2 1/2 cups vanilla wafer crumbs
finely chopped nuts or coconut, for coating

Melt chocolate in double boiler; remove from heat and add syrup, vanilla flavoring, evaporated milk. Mix well. Add powdered sugar; mix well. Add vanilla wafer crumbs, a little at a time. Add nuts. Let stand 30 minutes or longer until firm. Shape into 1-inch balls and roll in coconut or pecans. Chill in refrigerator.

Source: http://southernfood.about.com/od/candyrecipes