INGREDIENTS
10 tbsp
unsalted butter
1 1/4 cups
granulated white sugar
3/4 cup
plus 2 tablespoons (80 g high quality unsweetened cocoa powder)
1/4 tsp
salt
1/2 tsp
pure vanilla extract
2
cold large eggs
1/2 cup
all-purpose flour
2/3 cup
walnut or pecan pieces (optional)