Caramel Crispix Recipe - 2 small boxes of Crispix Cereal 2 cups of butter 2 cups of brown sugar ½ cup Light Karo syrup ½ tsp Vanilla ½ tsp Baking Soda Instructions Melt butter in a sauce pan. Add brown sugar and bring to a boil. Add Karo syrup, vanilla and baking soda. Put the cereal in a large bowl then pour mixture over the top and stir. Then pour into a brown paper sack. Microwave for two minutes and shake. Microwave again for two minutes and shake. Spread onto wax paper and let cool.