1 (18.25 ounce) package orange flavored Jell-O
1 (3.5 ounce) package instant lemon-lime flavored Jell-O mix
In a medium bowl, mix gelatin and lemon-lime soda. Spread over the top of a 9-inch pie pan.
In a mixing bowl, beat 1/2 cup lemon-lime soda or orange juice; mix well. Pour mixture into pie pan. Chill in refrigerator.