Heat oven to 350oF. Line a 9 x 9-inch (or 9 x13-inch) baking tray with parchment paper. Spray with baking spray (optional).
In a saucepan over medium heat, melt chocolate and butter. Set aside to cool 10-15 minutes.
In the mixing bowl whisk together eggs, sugar, oil, and vanilla extract.
Add the cooled chocolate mixture into the egg mixture.
In the separate mixing bowl whisk together flour, cocoa powder, and salt.
Sift these dry ingredients into the chocolate batter until no streaks remain.
Pour brownie batter into prepared baking pan.
Spread with spatula.
Add fresh raspberries on top.
Bake at 350oF for 35-40 minutes.
Cool and cut into bars before serving.