1Heat oven to 375°F. In large bowl, stir cookie mix, butter, egg, cornstarch, ground almonds and almond extract until dough forms.
2For each cookie; shape rounded teaspoon dough into 2 1/2-inch strip. Taper ends and form crescent shape on ungreased cookie sheet.
3Bake 9 to 10 minutes or until set. Cool 1 minute; remove from cookie to wire rack. Cool completely, about 30 minutes. Roll in powdered sugar. Sprinkle with edible glitter.