Prep. Preheat the oven to 350º F. Add sliced butter to the baking dish and place in the oven while it preheats to allow the butter to melt. Remove the baking dish once the butter has melted.
Prep the peaches. Add peeled and sliced fresh peaches and 1/2 cup sugar to a bowl and toss to combine. If using thawed frozen peaches, do the same as fresh peaches. If using canned peaches, drain away the juices from one can of peaches and only use the juices from one can.
Make the cobbler batter. Whisk together the flour, sugar, baking powder, and salt. Pour in the milk and whisk until smooth and well combined. If using self-rising flour, omit the baking powder and salt.
Add peaches. Pour the peaches over the melted butter, evenly distributing over the melted butter. Do not stir.
Add the cobbler batter. Pour the cobbler batter evenly over the peaches, do not stir.
Bake. Bake until lightly golden brown on top, about 35 to 40 minutes. Remove from the oven and allow to rest about 3 minutes.
Serve. Serve warm.
Video
Notes
Make-Ahead and Freezer Instructions:To make ahead. Bake and store covered in the refrigerator. Reheat and serve.To freeze. Bake in a freezer-safe baking dish and cool completely. Wrap tightly with freezer-safe wrap topped with foil. Freeze for up to 3 months. To serve, allow to thaw in the refrigerator overnight. Reheat and serve.To reheat. To reheat in the oven, cover with foil and reheat until heated throughout, about 20 minutes. To reheat in the microwave, reheat in 30-second intervals until warm in a microwave-safe container.Variations:Gluten-Free Peach Cobbler. Use your favorite gluten-free flour for baking substitute. Dairy-Free Peach Cobbler. Use your favorite dairy-free milk (such as oat milk) and dairy-free butter substitutes. Lower Sugar Peach Cobbler. Replace the sugar in the recipe with your favorite sugar-free sugar substitute for baking. Substitutions:Self-rising flour - use 1 cup self-rising flour and omit the baking powder and salt called for in the recipe ingredients.Alternate Method:You can reverse the order of the batter and peaches as shown in the recipe video.