Chex Yummies -Chelsea

1 1/2 cups sugar
2 sticks + 2 Tbsp. butter
5 cups each of: golden grahams, rice chex, corn chex
1 1/2 cups light corn syrup
1 tsp. vanilla

Spread foil over a cookie sheet and grease with butter. Combine sugar, corn syrup, and butter in a saucepan. Stir mixture over medium heat until it boils. Boil for 4 minutes, stirring constantly. Remove from heat and add vanilla. Pour sauce slowly over cereal and mix thoroughly with a large spoon, making sure none is left dry. Pour onto buttered foil to cool and set.