Former #MiamiOH first lady Martha Shriver (1965-1981) was well-known for her brownie and cookie creations. On #NationalBrownieDay, we've whipped up her famous brownie recipe to celebrate. The perfect holiday treat, get the full recipe here: Melt together: 4 oz. unsweetened baking chocolate 1/2 sticks margarine or butter Let this mixture cool. Add: 4 eggs, beaten 2 cups granulated sugar 1 cup flour 1/2 teaspoon salt 1 teaspoon vanilla Stir all ingredients together. Pour into a greased 9x12 pan with greased wax paper on the bottom Bake at 375 degrees for 28 minutes. Turn the pan upside down onto a cookie sheet. Remove the wax paper. Turn brownies back into baking pan. To frost the Brownies: Be sure the baked brownies are cooled to room temperature. Layer one: 4 tablespoons butter, soft 2 cups confectioners' sugar (powdered sugar) 2 tablespoons milk 1 1/2 teaspoons peppermint extract 3 to 4 drops green food coloring Blend above 5 ingredients to creamy consistency. Allo...