1 cup (2 sticks) unsalted butter
               1-1/2 cups firmly packed light brown sugar
               1 egg, room temperature
               1 teaspoon vanilla
               2-1/2 cups unbleached all purpose flour
               1 teaspoon baking soda
               1 teaspoon cinnamon
               1 teaspoon ground ginger
               1/2 teaspoon salt
               One 12 ounce package semisweet chocolate chips
               1 cup chopped walnuts
               1 cup powdered sugar

               Cream butter. Beat in brown sugar, egg, and vanilla. Combine
               flour, baking soda, cinnamon, ginger, and salt. Blend into butter
               mixture. Fold in chocolate chips and walnuts. Refrigerate until
               firm. (Can be prepared 1 day ahead.)

               Preheat oven to 375 degrees. Lightly grease baking sheets. Break
               off small pieces of dough; roll between palms into 1 inch rounds.
               Dredge rounds in powdered sugar. Arrange rounds on prepared
               sheets, spacing at least 2 inches
               apart. Bake 10 minutes. Let cool 5 minutes on sheets. Transfer to
               racks and cool. Store in airtight container.