Best Cocoa Brownies – Cakes for Causes

Ingredients

• 10 tablespoons (1 1/4 sticks) unsalted butter
• 1 1/4 cups sugar
• 3/4 cup plus 2 tablespoons unsweetened cocoa powder (natural or Dutch-process)
• 1/4 teaspoon salt
• 1/2 teaspoon pure vanilla extract
• 2 cold large eggs
• 1/2 cup all-purpose flour
• 2/3 cup walnut or pecan pieces (optional)