Grandma's Peanut Brittle

2 cups sugar
1 cup white syrup (light corn syrup??)
2 cups raw peanuts
2 Tbsp. butter
2 tsp. baking soda
1 tsp. vanilla

Bring 1/2 cup water to a boil. Then add sugar and white syrup. Stir until dissolved and boil until it will spin a thread. (Check temp****)
Now add peanuts and cook slowly over a low fire until it turns a golden brown. Take from fire and add butter, soda, and vanilla. Stir quickly. Spread on 2 large cookie sheets that have been well buttered. Place in cold area.