Divinity - cooking recipe

Ingredients

2 1/2 c. sugar
1/2 c. Karo light corn syrup
1/2 c. water
1/4 tsp. salt
2 egg whites (at room temperature)
1 tsp. vanilla
1 c. chopped nuts (optional)

Preparation

In a 2-quart saucepan, combine sugar, corn syrup, water and salt.
Stirring constantly, bring to a boil over medium heat. Without stirring, cook over low heat (small to medium bubbles breaking across surface of liquid) until temperature on candy thermometer reaches 266\u00b0 or small amount of mixture dropped into very cold water forms a hard ball which doesn't flatten until pressed, about 40 minutes.
When temperature reaches 260\u00b0, in a large bowl with mixer at high speed, beat egg whites until stiff peaks form.
Beating at high speed, gradually add hot syrup in a thin, steady stream.
DO NOT SCRAPE SIDE OF SAUCEPAN.
Continue beating at high speed until mixture begins to lose its gloss, about 3 minutes.