1 (11 1/2 oz.) pkg. milk chocolate chips
1 stick butter
1/2 c. corn syrup (light)
2 tsp. vanilla
1 c. sifted powdered sugar
4 c. Rice Krispies

Melt chocolate chips, butter, and corn syrup. Stir in vanilla and sugar. Mix in Rice Krispies. Spread in 13 x 9 x 2 inch pan which has been buttered. Chill until firm enough to cut. Keep refrigerated.