Step 1

Preheat oven to 375 degrees.

Step 2

Prep a 10 inch cast iron skillet with non-stick baking spray.

Step 3

Add butter to the cast iron skillet.

Step 4

Place the skillet in the oven to melt the butter.

Step 5

Add brown sugar, flour, baking powder, and salt to a medium bowl. Whisk to combine.

Step 6

Add milk, stirring to mix. Remove the cast iron skillet from the oven and add the crust mixture.

Step 7

Spread the crust mixture over the melted butter.

Step 8

Add blackberries, cinnamon, vanilla, flour, and sugar to a bowl. Gently stir to combine.

Step 9

With a tablespoon, drop the filling into the cast iron skillet.

Step 10

Bake at 375 degrees until golden brown or for 35-40 minutes.

Step 11

Remove from the oven and allow to cool slightly.

Step 12

Serve with a scoop of ice cream.