Step 1

Preheat the oven to 350 degrees F. Butter a 11x13 baking pan or 12 inch Dutch oven.

Step 2

In a large bowl combine the sugar, flour, baking powder, salt and cinnamon.

Step 3

Whisk in the milk and butter until smooth. Pour the batter into the baking dish or Dutch oven.

Step 4

Evenly top the batter with the blackberries.

Step 5

Bake for about 50 minutes, then remove from the oven and sprinkle on the brown sugar. Continue to bake for about 10 minutes or until golden brown.

Step 6

Let cool slightly before serving to allow the cobbler set up a bit.