To toast the pecans, heat the oven to 400°F. Place the pecans in a single layer on an ungreased cookie sheet. Place in the middle of the oven; bake about 3 minutes or until pecans are aromatic. Keep a close eye on the pecans since they can easily burn.
Just before serving, dust the apple strudel with powdered sugar and cinnamon. Or serve with a dollop of cinnamon-flavored whipped cream.