Bisquick not required. To be honest, I do not see what it offers, as you still have to add most all of the same ingredients anyway, There are some pancake mixes where all you have to do is add water. That is great for picnics and camping trips where no refrigeration is required. Bad thing about that is you have no idea what is in the mix. We do not make pancakes that often, but when we do it is a real treat. This is a real American breakfast. Hope you enjoy it as much as we do.
See also: https://www.instructables.com/id/Our-food-instructables/