To prepare a traditional blackberry cobbler recipe, first you need to gather your ingredients. First, you'll need the following ingredients: 2 cups blackberries 2 tablespoons sugar 1 tablespoon vanilla 1 cup flour 1 teaspoon baking powder Instructions Preheat the oven to 350 degrees F (180 degrees C) Grease and flour two 9-inch pie pans and set aside. In another large mixing bowl, combine the flour, sugar, butter, and salt. Gradually add the wet ingredients to the dry ingredients, mixing well after each addition. Pour the batter into the prepared pie shells. Bake in the preheated oven for 35 to 40 minutes, or until the filling is bubbly and the crust is golden brown. Serve warm.