Directions1. Preheat oven to 300 degrees F.
Line a 9x13 pan with greased parchment paper.
2. Combine melted butter, sugar, vanilla and eggs.
3. Mix flour, salt and cocoa powder.
4. Combine wet and dry ingredients.
It will be very thick and sticky.
5. Spread mixture into the prepared pan.
Bake at 300 degrees F for 30 minutes.
Let cool completely and cut into squares.