Old-Fashioned Pancakes Recipe

Ingredients
1 1/2 cups all-purpose flour
3 1/2 teaspoons baking powder
1 teaspoon salt
1 tablespoon granulated sugar
1 1/4 cups milk
1 egg
3 tablespoons unsalted butter, melted
1 teaspoon vanilla extract (optional)
Butter or oil for cooking
Directions