Combine fruit, sugar, zest, juice and salt in small saucepan over medium low heat.
Cook, breaking down fruit, until syrup-like consistency.
Remove from heat and transfer to bowl of food processor, process until smooth. Cool completely.
Once cooled, add sour cream and cream cheese and puree until smooth
Meanwhile, beat cream on medium speed, to medium peaks.
Fold whipped cream into fruit mixture, in 3 installments. Fold until well incorporated.
Pour into containers and chill for at least 1 hour or overnight.