Easy Banana Bread

1 1/2 cubes butter
1 1/2 cups sugar
4 - 5 ripe bananas, mashed
1 1/2 teaspoons baking soda
3 eggs, beaten
3 cups flour
1/2 cup nuts, chopped

Cream together butter and sugar. Add remaining ingredients and mix. Pour into 2 greased loaf pans. Bake at 325 degrees for 50 to 60 minutes.