Place the melted butter, powdered sugar, egg and buttermilk in a container and mix with a hand whisk.
Then add the dry ingredients, baking powder, baking soda, salt and finish by adding the flour.
Gently mix the pancake batter until a homogeneous, slightly granular and thick mixture is obtained. (If the mixture seems too liquid, add a little flour; if it seems too thick, add a little buttermilk).
Preheat a lightly oiled pancake pan, place a tablespoon of pancake batter in your pan. (about 2 tablespoons of batter to form a pancake)
Leave to cook for 2 minutes, then turn over and cook again for 1 to 2 minutes.