It's important to use a large pan so the crepes become thin and large. Heat the pan over medium heat and add the butter.
When the butter has melted add 1/4 of the crepe mixture to the pan, tilting the pan in a circular motion so that the mixture goes everywhere evenly.
Cook the crepe for about 2 minutes, flip and cook for another 2 minutes. Set the crepe aside, and repeat with the rest of the mixture.