2 cups chocolate chips - semi sweet
1/2 cup margarine or butter
1/2 cup light corn syrup
2 tsp vanilla
1 cup confectioners sugar
4 cups Rice Krispies
Melt together over low heat until smooth chocolate chips, margarine, and light corn syrup.
Remove from heat.
Add vanilla and confectioners sugar; mix well.
Add Rice Krispies; mix well and spread in a 9 x 13 greased pan.
Chill until firm and store in refrigerator.