01 - 
                Preheat oven to 350°F. Place the butter in a 9x9-inch baking dish and melt in the oven for 3-4 minutes. Remove once fully melted.
              
              
              
                02 - 
                In a mixing bowl, whisk together flour, baking powder, salt, and sugar. Gradually mix in buttermilk, vanilla extract, and lemon extract (if using) until smooth.
              
              
              
                03 - 
                Pour the batter evenly over the melted butter in the baking dish—do not stir. Spoon the lemon pie filling or lemon curd over the batter, distributing it evenly.
              
              
              
                04 - 
                Place the dish in the oven and bake for 45-55 minutes, or until golden brown and puffed around the edges.
              
              
              
                05 - 
                Remove from oven and let cool slightly. The cobbler will have a soft lemon pudding layer at the bottom. Serve warm with whipped cream, ice cream, or a dusting of powdered sugar.