Microwave Chocolate Fudge
["2 c. sugar", "1/8 tsp. salt", "3/4 c. milk", "2 sq. (2 oz.) unsweetened chocolate", "1/4 c. butter", "2 tsp. vanilla", "1/2 c. chopped nuts (optional)"]
["In 3 quart casserole, stir together sugar, salt and milk mixing well.", "Add chocolate and butter.", "Cover.", "Microwave at High 6 minutes until hot and bubbly.", "Stir well.", "Microwave at Medium 10 to 14 minutes, uncovered.", "Stir well every 5 minutes.", "When sufficiently cooked, a few drops of mixture will form a soft ball in cup of cold water (235\u00b0 candy temperature). Let candy stand without stirring at room temperature until lukewarm.", "Add vanilla; beat with spoon or mixer until thickens and loses its gloss. Quickly stir in nuts and pour into 8 x 4 x 3-inch loaf dish which has been lined with wax paper or butter sides and bottom.", "Cut when set."]
["sugar", "salt", "milk", "chocolate", "butter", "vanilla", "nuts"]