2 c. sugar
1 c. light corn syrup
1 c. water
3 c. unsalted raw peanuts
2 tbsp. butter
2 tsp. vanilla
2 tsp. baking soda

Butter baking pan 15 x 10 x 1 inch. Mix sugar, corn syrup and water in large heavy saucepan; cover; heat to boiling. Uncover and cook rapidly to 236 degrees on a candy thermometer.

Stir in nuts slowly, keep mixture bubbling all time, then cook rapidly, stirring constantly to 280 degrees. Stir in butter, continue cooking to 300 degrees. Stir in vanilla; sprinkle soda over top quickly, then stir vigorously about 15 seconds until mixture is puffy. Pour into prepared pan at once. Cool completely. Break into bite-size pieces. Store in airtight container.