Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
 200      grams         sugar
 110      milliliter    corn syrup
 150      grams         roasted peanuts
   1      Teaspoon      butter
   1      Teaspoon      baking soda

Preparation:

1. In 1 1/3 l casserole dish, stir together sugar and syrup. Microwave at high, for 4 minutes. 2. Stir in peanuts. Microwave at high, 3-5 minutes. 3. Add butter and vanilla (our friend didn't say exactly how much, you will need to experiment with this) -- blend well. Microwave at high, 1-2 minutes. 4. Add baking soda (sprinkle to cover top), and gently stir until light and foamy. Pour mixture onto lightly greased cookie sheet. Cool 1/2 - 1 hour. 5. When cool break into small pieces and store in air tight container. Difficulty : easy. Precision : approximate measurement