Preheat oven to 325°. In a large bowl, cream butter and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Beat in milk and vanilla. In another bowl, whisk flour, baking soda and salt; add to creamed mixture alternately with bananas, beating well after each addition. Fold in pecans.
Transfer to a greased 9x5-in. loaf pan. Bake 65-75 minutes or until a toothpick inserted in center comes out clean. Cool in pan 10 minutes before removing to a wire rack to cool. Freeze option: Securely wrap cooled loaf in plastic wrap and foil, then freeze. To use, thaw at room temperature.