2/3 c. butter
3 c. crushed Rice Chex
1/3 c. sugar
1 can sweetened condensed milk
1/2 c. lemon juice
1 can lemon pie filling
1 (8 oz.) Cool Whip

Melt butter, add sugar and Rice Chex. Mix well. Place in an oblong 9x13 inch pan and bake at 400 degrees for 10 to 12 minutes. Cool. Save 1/3 cup of Rice Chex topping to put on top.

Mix sweetened condensed milk and lemon juice. Add lemon pie filling. Pour over crust. Put Cool Whip on top. Sprinkle topping from crust and freeze for 4 hours.