Blackberry Cobbler

Ingredients:
1/2 cup white sugar
2 Tbsp. cornstarch
6 cups fresh blackberries
1/4 cup melted butter

2 1/2 cups all purpose flour
1 1/2 cups white sugar
1 Tbsp. baking powder
1 tsp. salt
2 cups milk
1 Tbsp. vanilla extract
1/4 cup melted butter

Directions:
1. Preheat oven to 350 degrees. Lightly grease 9x13 baking dish. Whisk 1/2 cup sugar with cornstarch in small bowl; set aside.
2. Place the blackberries in a mixing bowl and drizzle with 1/4 cup melted butter. Sprinkle with the cornstarch mixture and toss to evenly coat. Spread the berries into the prepared baking dish. In a separate bowl whisk together the flour, sugar, baking powder and salt until evenly blended. Stir in the milk, vanilla extract, and butter until combined but slightly lumpy. Pour batter over the berries.
3. Bake until the berries are tender and the batter is golden brown; about 1 hour.

Source: AllRecipes.com