Prepare the Faux Buttermilk mixture- In a 2 cup measuring cup, add milk and vinegar. Set aside to curdle.
Preheat Waffle Iron as per user manual.
In a medium mixing bowl combine flour, sugar, baking powder and salt. Whisk well to combine.
Add the buttermilk mixture, oil and vanilla extract to the dry ingredients. Stir with spoon until no more dry flour spots are visible. Try not to over-mix.
Spray waffle iron with non stick spray before each addition of waffle batter.
Cook waffles in your griddle or waffle iron as per its instructions.
Remove cooked waffles to a wire rack to cool or serve immediately.
Freeze leftovers after they have come to room temperature.