Step 1

Preheat oven to 375 degrees F.

Step 2

Melt butter in 13 x 9 inch baking dish; remove from oven when melted.

Step 3

Mix blackberries with 1/3 cup sugar; set aside.

Step 4

Combine flour, 1 cup sugar, baking powder and salt; add milk and vanilla and mix to form a batter.

Step 5

Pour batter directly into melted butter.

Step 6

Pour sweetened blackberries into the center of the batter. Try not to allow berries to touch the edge of the pan.

Step 7

Bake for 40-45 minutes.

Step 8

Eat warm as is, topped with milk, vanilla ice cream or whipped cream.