3 beer flavored cake frosting Recipes

white cake mix (betty crocker supermoist preferred), root beer (1 1/2 cups), vegetable oil, egg whites, root beer concentrate (or flavored syup) or 1 tsp root beer flavored syrup (or flavored syup), vanilla frosting (betty crocker rich & creamy preferred), crushed root beer flavored hard candies (about 10)

all purpose flour, ground ginger, ground cinnamon, baking soda, salt, unsalted butter, room temperature, golden brown sugar, eggs, mild-flavored (light) molasses, stout (beer), flat, room temperature, chilled whipping cream, powdered sugar, minced crystallized ginger, orange slices, quartered, crystallized ginger slices, fresh cranberries