I was given this recipe by a friend. I made it for our county fair last weekend and it won a Champion ribbon. It the kind of bread that if you go into a bakery and order banana bread, this is what you will get. A moist, delicious bread that I had to give the second loaf away to a friend so I wouldn't eat it all!
This recipe will make 2 large loaves in regular loaf pans. Spray both pans with PAM Baking.
With a hand mixer, cream butter and sugar. Add eggs, one at a time, then the sour cream and vanilla. Mix until fluffy - about 30-40 seconds. Combine flour, baking soda, and salt in a small bowl. Alternately add dry ingredients and mashed bananas to creamed mixture, mixing 15-20 seconds after each addition. Mix well until just combined.
Pour batter into loaf pans; bake for 55-65 minutes or until toothpick inserted in center comes out clean. Let set in pans for 15 minutes, then move to wire rack to cool.