Preheat oven to 375 degrees. Line an 8’’ round cake pan with parchment, then spray lightly with cooking spray.
Melt chocolate: In a microwave-safe bowl, melt chocolate and butter in the microwave, stirring every 20-seconds until melted and smooth. Add to a mixing bowl.
Mix in sugar, vanilla and eggs. Whisk in cocoa powder and salt.
Bake: Spread the batter into prepared cake pan and bake for about 35-40 minutes, or until a toothpick inserted in the center results in moist crumbs (but not runny batter). Let it cool in the pan for 10 minutes. Run a knife along the outside edge of the pan before inverting onto a serving dish to cool completely.
Before serving, dust a light layer of powdered sugar on top of the cake. Serve slices with a small dollop of whipped cream, and fresh raspberries or a sliced strawberry.
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Notes
Chocolate: Choose good quality chopped chocolate like Ghirardelli, Bakers chocolate, callebaut, or if using chocolate chips use Guittard or Ghirardelli.Cocoa Powder: Use high quality natural or Dutch cocoa powder. Dutch-processed cocoa will produce a darker color and moister texture. I prefer Callebaut Dutched Cocoa Powder.