Best Hot Fudge
["1/2 c. sugar", "1/2 c. water", "dash of salt", "3 Tbsp. cocoa", "1 1/2 Tbsp. cornstarch", "1 tsp. vanilla", "2 Tbsp. butter", "chopped pecans (optional)"]
["Mix first 5 ingredients together in large glass measuring cup. Microwave on High until it comes to a boil, stirring every minute.", "Stir in vanilla and butter.", "Serve over vanilla ice cream."]
["sugar", "water", "salt", "cocoa", "cornstarch", "vanilla", "butter", "pecans"]