In a saucepan melt chocolate and margarine over low heat. In a mixing bowl stir together chocolate mixture and sugar. Beat in eggs, one at a time, with an electric mixer on medium speed. Stir in matzo meal, brandy, and salt. Stir in nuts. Pour into a greased 9x9x2-inch baking pan. Bake in a 350° oven for 30 minutes. Cool. If desired, place doily atop brownies; sprinkle with powdered sugar; remove doily. Cut into bars. Makes 16 brownies. Nutrition information per serving: 244 cal, 12 g fat, 53 mg chol., 4 g pro., 33 g carbo., 117 mg sodium, 0 fiber. cook 52