Take a look at these tips for creating a Wedding Cake:
Try This Technique:
1. Using a metal spatula, quickly spread thick layer of Butter Frosting (at least 1/4 inch thick) over entire cake tier. Use short, slightly curved strokes to spread the frosting.
2. To insert dowels, place a dowel about 2 inches from edge of cake; gently push it into cake until flush with cake top. Repeat with other dowels, spacing evenly apart.