Preheat oven to 350.

Prepare a 9 x 13 pan with cooling spray or oil, then set aside.

In a medium sauce pan place butter and let it melt a little then add the chocolate.

Melt the butter and the chocolate, stirring until smooth.

Set aside the chocolate and let it cool for a little bit.

Whisk in the sugar and the vanilla until smooth.

Add the eggs one at a time making sure each is incorporated.

In a medium bowl sift together the salt, cocoa and the flour.

Whisk into the chocolate mixture until just combined.

Gently fold in some of the berries, then pour mixture into pan.

Dot the top with the rest of the berries.

Bake the brownies for 25-35 minutes or until a toothpick comes out almost clean.

Remove from oven and let cool.

For a sharper cut place cooled brownies in the freezer for a few minutes and then cut with sharp knife.