1Heat oven to 350° F. Spray cookie sheets with cooking spray.
2In large bowl, mix cookie ingredients with spoon until blended. Drop dough by rounded measuring tablespoonfuls about 2 inches apart onto cookie sheets.
3Bake 10 to 12 minutes or until set. Cool 2 minutes; remove from cookie sheet to cooling rack. Cool 10 minutes before glazing.
4In small bowl, mix powdered sugar and cinnamon. Stir in milk until smooth. If necessary, add additional milk 1 teaspoon at a time, until glaze reaches drizzling consistency. Drizzle cookies with glaze.