Heat oven to 350°F (325°F for dark or nonstick pans). In large bowl, beat cake mix, flour, butter and eggs with electric mixer on low speed 1 minute. Stir in cranberries.
On ungreased cookie sheets, drop dough by teaspoonfuls 2 inches apart.
Bake 10 to 13 minutes or until edges are set. Immediately remove from cookie sheets to cooling racks. Cool completely, about 10 minutes.
In small microwavable bowl, microwave frosting uncovered on Medium (50%) 15 seconds. Drizzle frosting over cookies. Store covered.