Dulce de Leche Brownies Ingredients 8 tablespoons salted or unsalted butter, cut into pieces 6 ounces semisweet chocolate, finely chopped 1/4 cup unsweetened Dutch-process cocoa powder 3 large eggs 1 cup sugar 1 teaspoon vanilla extract 1 cup flour optional: 1 cup toasted pecans or walnuts, coarsely chopped 1 cup Dulce de Leche Instructions