Break the eggs into a bowl, beat until they are just mixed. Mix in the milk, vanilla and oil. Sift in the dry ingredients.
Beat batter until smooth and will just coat a spoon. Let the batter sit out for 1 hour; or put in refrigerator overnight.
Heat pan until water dances on surface. Butter pan. Pour a little batter in the pan, swirl around to coat bottom. Flip when top gets bubbly or edges brown. Serve with butter, sugar or jam.