Preheat your oven to 350°F (175°C).
In a large mixing bowl, combine the flour, sugar, baking powder, baking soda, and salt.
Stir in the chopped nuts.
In another bowl, mix the milk, vegetable oil, and vanilla extract.
Pour the wet ingredients into the dry ingredients and stir until just combined.
Pour the batter into a greased loaf pan.
Bake for about 60 minutes, or until a toothpick inserted into the center comes out clean.
Let the bread cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.