2 c. sugar
1/2 c. corn syrup
1/2 c. milk or cream
1 tsp. butter
1 tsp. vanilla
2 tbsp. cocoa

Mix first 4 ingredients, stirring constantly; boil until soft to medium-ball stage. Add vanilla and beat with a wooden spoon until stiff. Add nuts, if desired. Pour into an 8 x 8-inch pan and let set.