Flour's Famous Banana Bread

INGREDIENTS

• 1/2 cup oil
• 2 tablespoons creme fraiche or sour cream
• 1 cup plus 2 tablespoons sugar
• 1/2 teaspoon salt
• 2 eggs
• 1 teaspoon vanilla extract
• 1/4 teaspoon ground cinnamon
• 1 2/3 cups all-purpose flour
• 1 teaspoon baking soda
• 3 1/2 bananas, very ripe, mashed
• 2/3 cup walnuts, toasted and chopped