2 c. chocolate chips
1/2 c. butter
1/2 c. light corn syrup
2 tsp. vanilla extract
1 c. sugar
4 c. Rice Krispies cereal

Combine chocolate chips, butter and corn syrup in medium saucepan. Stir over low heat until melted and smooth. Remove from heat. Stir in vanilla extract and sugar. Add Rice Krispies cereal. Mix lightly until well coated. Spread evenly in 13 x 9 x 2 inch pan. Chill until firm. Cut into squares. Store in refrigerator.