Mash the pears to 
equal about 2 cups of mashed pears and set aside

 Heat 1 cup of pear 
juice (if there isn't quite 1 cup add water to make 1 cup liquid) to 
boiling. 

Put 1 package of lime jello (small package) in a glass bowl and 
pour boiling juice over the jello and stir well making sure all the 
jello is dissolved.

  Let set in frig just till very thick but not set 
(about 30 minutes).

While the jello is thickening beat 1- 8 ounce 
package of room temperature cream cheese (the kind in the brick) with 2 
teaspoons of cream or milk until smooth

When jello is thick, mix  
thickened jello, cream cheese mixture, mashed pears and 1 8-oz container 
of cool whip with mixer on low speed till mixed well.