1Preheat the oven to 350 degrees. In an electric mixer or large bowl mash the bananas with a potato masher.
2Stir in the eggs, vegetable oil, rum and sour cream.
3Add the remaining ingredients. Beat with the electric mixer for 2-3 minutes, or until combined and smooth.
4Grease a bundt pan very well. Pour the batter in evenly. Bake for 35-45 minutes or until a knife comes out clean. To garnish sprinkle the cake with powdered sugar mixed with a bit of cinnamon. Enjoy! Serves 8.
This classic should be in every Southern woman's repertoire. A moist, delicious Chocolate-Mayonnaise Cake pleases crowds of all ages, and is the perfect dessert to bring to a neighbor, to a potluck, or to a summer party.