Heat a waffle iron and spray with non-stick cooking spray

In a medium mixing bowl whisk together flour, baking powder, baking soda, and salt

In a separate bowl, whisk together milk, sugar, egg and vanilla extract

Add wet ingredients to dry ingredients and whisk together until mixture is smooth

Whisk in melted butter

Mix in chopped bacon pieces

When the waffle iron is ready, add the mixture to the iron and cook until the waffle iron beeps (depending on what kind you have)

Serve waffles immediately topped with butter and maple syrup.