Preheat oven to 350 degrees. Line an 8x8" pan with aluminum foil and lightly spray with non-stick cooking spray.
In a large bowl combine melted chocolate with olive oil.
Whisk eggs, sugars, and vanilla into the chocolate mixture.
Stir in flour and salt until fully combined.
Fold in chocolate chunks/chips.
Spread batter into prepared pan.
Bake 25 minutes, or until a toothpick inserted 1 in. from the edge comes out clean.
Sprinkle with coarse salt.
Cool completely, then cut into squares.
