Ingredients:
- Nonstick vegetable oil spray
- 1/2 cup (1 stick) unsalted butter, cut into 1 inch pieces
- 1 1/4 cups sugar
- 3/4 cup Scharffen Berger natural unsweetened cocoa powder
- 1/2 teaspoon kosher salt
- 1 teaspoon vanilla extract
- 2 large eggs
- 1/3 cup all-purpose flour