1 cup butter, cubed
6 ounces unsweetened chocolate, chopped
4 large eggs, room temperature
2 cups sugar
1 teaspoon vanilla extract
1/2 teaspoon salt
1 cup all-purpose flour
2 cups chopped walnuts
Confectioners’ sugar, optional
Preheat oven to 350°. In a small saucepan, melt butter and chocolate over low heat. Cool slightly.
In a large bowl, beat eggs, sugar, vanilla and salt until blended. Stir in chocolate mixture.
Add flour, mixing well. Stir in walnuts.
Spread into a greased 9-in. square baking pan.
Bake 35-40 minutes or until a toothpick inserted in center comes out with moist crumbs (do not overbake).
Cool completely in pan on a wire rack. If desired, dust with confectioners’ sugar. Cut into bars.