Bountiful Banana Cake

2 cups all-purpose flour
1 teaspoon baking soda
2 eggs
1 1/4 cups granulated sugar
1 1/4 cups mashed bananas
2 teaspoons baking powder
1/2 teaspoon salt
1/2 cup vegetable oil
1 teaspoon vanilla extract
3/4 cup sour milk or buttermilk

Beat eggs, oil, sugar, vanilla extract and banana. Mix well, then add milk and dry ingredients. Mix well, then pour into a greased 9 x 13-inch pan. Bake at 350 degrees F until a wooden pick comes out clean.