1 box premium orange cake mix
1 cup oil
1 3 oz. box coconut pudding – cooking kind
10 oz. Mountain Dew
1 stick margarine, melted
1 cup sugar
4 T. cornstarch
1 cup coconut
1 20 oz. can crushed pineapple, undrained
Combine cake mix, oil, pudding mix, eggs, and mountain dew. Mix well. Spray 15 x 12 x2 ½ pan with Pam. Put mixture in prepared pan. Bake 300 degrees 25 to 30 minutes until done.
Combine melted margarine, sugar, cornstarch, coconut, and pineapple. Cook until thick. Cool, and spread on cooled cake. Wrap and store in refrigerator.