Step 1

set oven to 325F. Spray and line a standard 9x5 loaf pan with parchment paper with long ends. This is so you can lift it out easily for slicing.

Step 2

Whisk the flour, salt, baking powder, baking soda, cinnamon, and sugar together in a large mixing bowl or a stand mixer.

Step 3

Beat in the egg, oil, and vanilla.

Step 4

Fold in the banana and nuts, and make sure everything is well combined. Turn into the pan and even out the batter. Bake for about an hour, until a toothpick inserted in the center comes out without wet batter clinging to it. (Moist crumbs are fine.) Let the bread cool for 15 minutes in the pan, then remove to a rack to cool completely before frosting.

Step 5

Blend the cream cheese, sugar, and vanilla with enough milk or cream to make a spreadable frosting. Spread over the top of the cooled bread, Sprinkle with chopped walnuts.