- Prepare cake mix as directed on package. Stir in vanilla and food coloring.
- Pour batter into cake pan. Bake as directed and let cool on wire rack.
- For the frosting, mix butter and vanilla in bowl until light and fluffy. Gradually add confectioners' sugar, beating well after each addition. Add milk; beat until light and fluffy.
- Frost cake after cooled and top with sliced kiwis.