Mix blackberries and sugar and set aside 30 mins stirring every 10 mins

Preheat oven 375°

In medium bowl add milk and next 3 ing. and whisk together until mixed.

Slowly add melted butter until all mixed.

Spread batter in square pan (I used 9x9) and spread berrys on batter

Slightly mix batter and berries

Sprinkle with cinnamon and bake 375° 50-60 Mins