Step 1: Preheat your oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish to prevent sticking.
Step 2: If using canned peaches, drain them thoroughly. If opting for fresh peaches, peel and slice them, then toss them with a spoonful of sugar if they aren't very sweet.
Step 3: Spread the prepared peaches evenly across the bottom of your greased baking dish.
Step 4: In a large mixing bowl, whisk together the all-purpose flour, granulated sugar, baking powder, and a pinch of salt until well combined.
Step 5: Add the milk, melted unsalted butter, and vanilla extract to the dry ingredients. Stir gently until the batter is just combined. Avoid overmixing.
Step 6: Carefully pour the batter evenly over the layer of peaches in the baking dish. Do not stir the layers together.
Step 7: Place the dish in your preheated oven and bake for 35-40 minutes, or until the topping is beautifully golden brown and a toothpick inserted into the crust comes out clean.
Step 8: Once baked, remove the cobbler from the oven and allow it to cool for about 10-15 minutes before serving. Enjoy warm, perhaps with a scoop of vanilla ice cream!