2 c. sugar
1 c. water
1 tbsp. butter
1 to 2 c. peanuts
1 c. light corn syrup
3/4 tsp. salt
1 tsp. baking soda

Mix sugar and water, syrup in heavy cast iron skillet over moderate heat. Heat until thermometer reaches 236 degrees (takes 15 to 20 minutes). Add butter and salt. Add soda last, stirring. Pour into cookie sheet.