INGREDIENTS
6 tbsp
(3 ounces/85 g)
unsalted or salted butter, cut into pieces
8 oz
bittersweet or semisweet chocolate, chopped
3/4 cup
sugar
1 tsp
vanilla extract
2
large eggs, at room temperature
1/4 cup
all-purpose flour
1 cup
(about 135 g) walnuts, almonds, hazelnuts, or pecans, toasted and coarsely chopped