01 -
Preheat your oven to 350°F (175°C) and grease an 8×8-inch baking dish.
02 -
In a medium bowl, whisk together the flour, baking powder, salt, sugar, and cocoa powder. Stir in the milk, melted butter, and vanilla extract until smooth. Spread the batter evenly in the prepared dish.
03 -
Combine the cocoa powder, granulated sugar, and brown sugar in a separate bowl. Sprinkle this mixture evenly over the batter.
04 -
Carefully pour the hot water over the entire dish without stirring. This step is key for creating the gooey layer.
05 -
Bake for 40-45 minutes, or until the top is set and begins to pull away from the edges of the dish.
06 -
Let the cobbler cool slightly before serving warm with a scoop of vanilla ice cream or whipped cream.