Easy but Oh So Delicious Berry Cobbler

1 pkg fresh blackberries from Costco. (large pack clear container in Produce)
1/3 cup flour
1/3 cup sugar
1/3 cube butter
1/3 tsp cinnamon
sprinkle of salt

Wash berries and put in small casserole
Using food processor mix remaining ingredients till crumbly
Sprinkle over berries and bake at 350 degrees for 1 hour
Serve warm with ice cream or cream
Recipe may be doubled