In a large bowl, with an electric mixer, cream the butter, powdered sugar, and maple flavoring till smooth. Stir in chopped walnuts (or pecans).
Shape mixture into 1" balls. Place dough balls onto a wax paper covered baking sheet and put into freezer for 1/2 an hour.
Maple Cream Bon Bons https://www.thegratefulgirlcooks.com/maple-cream-bon-bons/