1 lg. pkg. sugar-free jello (orange or lemon)
1 c. yogurt
1/2 c. chopped carrots
1/2 c. chopped celery
1 sm. can pineapple
1 tbsp. mayonnaise, diet

Mix jello as to directions on package in a large bowl. Add other ingredients and mix well. Pour into an oblong Pyrex dish 11 1/2 x 7 1/2 and chill. Serve on a bed of lettuce.