In a medium bowl stir together flour, sugar, baking powder, and salt. Make a well in center of flour mixture; set aside.Advertisement
In another medium bowl beat eggs slightly; stir in milk, oil, and vanilla. Add egg mixture all at once to flour mixture. Stir just until moistened (batter should be slightly lumpy).
Pour 1 to 1 1/4 cups batter onto grids of a preheated, lightly greased waffle baker (use a regular or Belgian waffle baker). Close lid quickly; do not open until done. Bake according to manufacturers directions. When done, use a fork to lift waffle off grid. Repeat with remaining batter. Serve warm.
Makes 12 to 16 (4-inch) waffles
Prepare as above, except reduce baking powder to 1 teaspoon and add 1/2 teaspoon baking soda. Substitute 2 cups buttermilk or sour milk for the milk.