4 cups flour
1/2 teaspoon salt
2 teaspoons baking soda
2 teaspoons baking powder
1 cup butter, softened
1-3/4 cup sugar
1/2 teaspoon cinnamon
4 eggs
2 teaspoons vanilla
2 cups ripe, mashed bananas
1 cup 7UP
1/2 cup chopped English walnuts
Sift together flour, salt, baking soda, baking powder and cinnamon. Set aside. Cream butter and sugar in a large mixing bowl. Add eggs, beating after each addition. Add vanilla and bananas. Add dry ingredients alternately with the 7UP. Fold in nuts. Pour into three loaf pans that have been coated with non-stick cooking spray. Bake at 350 degrees for 45 minutes or until a toothpick inserted in the center comes out clean.