1 pkg. lime Jello
3/4 c. boiling water
1 c. mayonnaise
2 (3 oz.) pkg. cream cheese, at room temperature
1 tsp. horseradish
2 tbsp. lemon juice
3/4 c. grated unpeeled cucumber, drained and squeezed
1/4 c. finely chopped green onions

A salad this size takes about 2 medium sized cucumbers or 1 1/2 very large ones.