Preheat oven to 325.. Combine flour, sugar, baking soda, and salt in a large bowl. In separate bowl combine eggs, bananas, oil, buttermilk, vanilla. Stir until well combined. Add to flour mixture and stirring until all combined. Add pecans and dates Pour batter into 2 greased loaf pans and bake for approximately 1 hr and 10 mins, or until toothpick comes out clean.
For best flavor, make sure bananas are over ripe. For this recipe I use bananas that were turning black. The bananas are more soft and gives the bread it's best taste.