Grandmother's Special Pancakes | Cooking Professionally

Ingredients

• 2 1/4 cups all-purpose flour
• 1 1/2 tablespoons sugar
• 2 1/4 teaspoons baking powder
• 3/4 teaspoon baking soda
• 3/4 teaspoon kosher salt
• 1 cup whole milk
• 1 cup sour cream
• 2 large eggs
• 3 tablespoons unsalted butter, melted, plus 2 tablespoons, cold, divided
• 1 cup fresh blueberries
• 1/4 cup maple syrup