Sift the flour, baking soda, baking powder, salt, and sugar into a large mixing bowl. Stir to combine.
1 1/2 cups all-purpose flour, 1 teaspoon baking soda, 1 teaspoon baking powder, Pinch of salt, 1/4 cup granulated sugar
Add the buttermilk, egg, and vanilla extract to a 2-cup measuring cup, and whisk until smooth.
1 whole large egg, 1 1/4 cup buttermilk, 1/2 teaspoon vanilla extract
Pour the buttermilk mixture into the flour mixture. Stir until smooth, then mix in the melted butter.
2 Tablespoons butter
Let the batter sit for at least 10 minutes.
Heat a griddle or large skillet on medium high heat. When hot, brush butter onto the surface.
1 teaspoon butter
Pour the pancake batter onto the griddle or skillet in 1/2-cup scoops. Cook for 2-3 minutes, until lots of tiny bubbles form on the surface, then flip carefully. Cook for 2-3 more minutes, until fully cooked.
Serve hot with butter and maple syrup.
Notes
Leftovers can be stored in an airtight container in the fridge for 3 days, or in the freezer for 3 months.
Reheat in a toaster on medium heat, or in 10-second increments in the microwave.
You can add blueberries or chocolate chips to the pancakes after you pour the batter onto the griddle or skillet.