2 cubes butter, melted
2 c. brown sugar
1/2 c. white Karo
1/2 tsp. salt

Melt together and bring to boil 5 minutes. (Soft ball stage in cup of iced water.). Add:

1 tsp. vanilla
1/2 tsp. baking soda

Stir vigorously to mix soda into mixture well. Pour over 5 or 6 quarts popped corn and 2 cups dry roasted peanuts; mix well. Bake at 250 degrees for 45 minutes. Stir occasionally. Pour out on wax paper, cool. Store in Tupperware.