Preheat oven to 375 degrees.
Grease and flour either 1 13x9" pan, 2 9" round pans, or 12 muffin cups.
In a large bowl, combine the dry ingredients.
Add milk, butter and vanilla. Stir until combined.
Add eggs last and mix well.
Pour into prepared pan(s).
Bake according to your pan's size as follows (or until a toothpick inserted in the center comes out clean): 13x9" pan for 30-35 minutes, 2 9" pans for 25-30 minutes, cupcakes for 20-25 minutes