Put chocolate, sugar, milk, butter and salt in 4 cup glass measure or micro proof mixing bowl and cook on HI for 2 to 2 1/2 minutes, or until chocolate is melted. Stir to mix. Cook on Hi for 1 1/2 minutes. Stir after 1 minute. Add vanilla and beat with electric mixer until frosting is almost cool. Add nuts and beat until spreading consistency. Yield: 2 - 9 inch cake layers or 11 by 7 inch cake