Step 1

Whisk together the flour, salt and baking powder in a bowl and set aside. Cream the butter, sugar and eggs with a mixer. Add flour, milk, sour cream and vanilla extract and mix well with mixer. Gently fold in blackberries.

Step 2

Pour in a 9 x 5 bread pan sprayed with cooking oil. Bake in a preheated 325 degree oven for 1 hour until center tests done.