1 (16 oz.) can mandarin orange segments
1 (3 oz.) pkg. orange flavored Jello gelatin
1/2 c. dairy sour cream
1 sm. can crushed pineapple; optional

Drain mandarin oranges, reserving syrup. Add water to make 1 3/4 cup. Heat 1 cup of the liquid to boiling, add Jello and stir until dissolved. Add remaining 3/4 cup liquid. Cool to room temperature. Beat in sour cream until blended. Chill until partially set. Add orange segments and drained pineapple. Chill until firm, 6-8 servings.