Buttermilk pancakes are as classic as it gets. Made for over 30,000 years, pancakes have been found in the stomach of men frozen in the last ice age. They were also very popular with ancient Greeks and Romans, and most traditionally made with a flour and curdled milk, or as we call it today, buttermilk. Difficulty: 1 1 1/2 cups milk 1/4 cup white vinegar 2 cups flour 1/3 cup sugar 3 teaspoons baking powder 1 teaspoon baking soda 1 teaspoon salt 2 large eggs 1 teaspoon vanilla extract 1/4 cup butter, melted, plus 1 tablespoon to grease the pan 1 tablespoon vegetable oil Maple syrup or pancake syrup and butter, to serve In a small bowl or measuring cup, combine milk and vinegar. Let sit for 10 minutes, or until the milk has curdled. In the meantime, whisk the flour, sugar, baking powder, baking soda, and salt in a …