Spray the bottom of a 10 inch tube or bundt pan with a non-stick vegetable spray; or grease with margarine and dust with flour. Arrange mango cubes in the bottom of the pan.
Blend rum, water, eggs, butter, and pureed mango. Add cake mix and beat at medium speed for 4 minutes.
Pour batted into prepared pan and bake immediately in a preheated 375oF oven for 45 minutes, or until a toothpick inserted into the cake comes out clean. Cool 20 minutes in pan. Loosen and remove from pan onto serving plate.
From the Dinner Co-op