In a large mixing bowl, whisk together the all-purpose flour, granulated sugar, baking powder, baking soda, and fine sea salt. This step ensures that all the leavening agents are evenly distributed throughout the flour.
In another bowl, combine the buttermilk, melted butter, beaten eggs, and vanilla extract. Whisk until smooth. The melted butter should be at room temperature to prevent cooking the eggs.
Pour the wet ingredients into the dry ingredients. Gently stir with a spatula or whisk until just combined. Be careful not to overmix; it’s okay if there are a few lumps in the batter. Overmixing can lead to tough pancakes.
Place a non-stick skillet or griddle over medium heat. Add a small amount of butter to coat the surface. Allow it to melt and become bubbly.
Using a ladle or measuring cup, pour about ⅓ cup of batter onto the skillet for each pancake. Cook until bubbles form on the surface and the edges look set, about 2-3 minutes. Flip and cook for an additional 1-2 minutes until golden brown.
Remove the pancakes from the skillet and keep them warm in a low oven while you cook the remaining batter. Serve the pancakes warm with a pat of butter and a drizzle of pure maple syrup. Enjoy your delicious stack of Best Buttermilk Pancakes!