Preheat oven to 350° F.
Stir dry ingredients together in large bowl; make well in center.
Beat eggs in small bowl, then whisk in oil, milk, and vanilla.
(Optional) Stir in fruit or other additions.
Pour into ungreased 9"x13" baking dish.
Bake for 30-35 minutes, until center is set and top is golden
Serve hot or cold, plain or with milk.