Step 1: In a large mixing bowl, combine the all-purpose flour, baking powder, baking soda, salt, and granulated sugar.
Step 2: Use a large whisk to thoroughly blend the ingredients together for at least 1 minute, ensuring the leavening agents are evenly distributed throughout the Pancake Mix.
Step 3: Transfer the dry mix into an airtight glass storage container or a large mason jar.
Step 4: Store the mix in a cool, dry place for up to 3 months.
Step 5: To prepare pancakes: Whisk 1 cup of the Pancake Mix with 1 cup of buttermilk (or milk), 1 large egg, and 2 tablespoons of melted butter.
Step 6: Cook on a preheated griddle over medium heat until bubbles form on the surface, then flip and cook until golden brown.