INGREDIENTS
2/3 cup
all-purpose flour
1/2 tsp
salt
1/2 tsp
baking powder
veg cooking spray
2 oz
unsweetened chocolate
4 oz
bittersweet or semisweet chocolate
10 tbsp
plus 2 tablespoons) unsalted butter
1 1/4 cups
sugar
2 tsp
vanilla extract
3
large eggs
optional: 3/4 cup toasted walnuts, pecans, macadamia nuts, peanuts