3 c. sugar
3/4 c. warm water
2 1/3 c. Karo syrup
3 egg whites
1/4 tsp. cream of tartar
1/4 tsp. salt
1 tsp. vanilla

Boil sugar, water, and syrup to 280 degrees or hard crack stage. Beat egg whites stiffly. Add cream of tartar, salt, and vanilla. Add cooked syrup slowly, beating continuously. Add nuts. Pour in buttered pan and cool.