Preheat waffle iron. Beat eggs in large bowl with hand beater until fluffy. Beat in flour, milk, vegetable oil, sugar, baking powder, salt and vanilla, just until smooth.

Spray preheated waffle iron with non-stick cooking spray. Pour mix onto hot waffle iron. Cook until golden brown. Serve hot.

1/4 vegetable oil instead of 1/2 cup.
1 tsp vanilla instead of 1/2 tsp.
Healthy sprinkle of cinnamon, maybe 1/4 tsp
1 TBSP (which is equivalent to 3tsp ) of baking powder instead of 4tsp.