Serves8
                    
                
                
                    
                        
                            - Active time:15 min
- Start to finish:1 1/4 hr (includes chilling)
 
            
                
                    
                    ADAPTED FROM SARAH WISEMAN, SAÕ PAULO, BRAZIL
                
            
            
                
                
                
    
      
          
          
          
              
              
              
          
          
          
          
          
              
              
              May 2004
            
          
          
      
  
                
                
            
            
            
                When my Scottish stepmother married my father, in 1963, she had a lot to learn about cooking. Once she made my father what she thought was a charming American variety of onion for dinner; they turned out to be bulbs of garlic. She’s come a long way since then, providing our family with increasingly exotic taste memories influenced by years of living in Mexico and Brazil.
  The secret to a good fool, whatever the fruit, is to taste as you go. Some need more sugar; any fruit with little acidity benefits from a smidgen of lemon or lime juice; and more delicate flavors, like mango, require less cream.  —Shelton Wiseman
            
            
            
            
            
                
                    
                    
                    
                        
                            
                            
                            
                                
                                    
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                                            1
                                            
                                            (14-oz) package thawed (but cold) unsweetened passion-fruit (maracuyá) purée such as Goya brand 
                                            
                                        
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                                            1
                                            cup
                                            sugar, or to taste
                                            
                                        
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                                            2 1/2
                                            cups
                                            chilled heavy cream
                                            
                                        
 
                    
                 
            
            
            
            
            
            
            
            
                
                    
                    
                    
                        
                            
                                
                                
                                
                                    
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                                            Whisk purée with 2/3 cup sugar in a bowl until sugar is dissolved. 
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                                            Beat cream with remaining 1/3 cup sugar in another bowl with an electric mixer until it just holds stiff peaks. Fold sweetened purée into cream. 
 
                        
                    
                    Cooks’ Note: - Fool is best eaten the day it is made. Refold if fruit juices begin to separate from cream.
Variations (number of servngs vary):- Raspberry, blackberry, or strawberry: 1 pound fresh or thawed (but cold) berries, puréed, or 1 1/2 cups unsweetened fruit purée, strained; 1/2 cup sugar; 1 1/2 cups heavy cream; 1 tablespoon lemon juice.
- Guanabana (soursop) or mango: 1 (14-ounce) package thawed (but cold) unsweetened guanabana or mango purée (1 1/2 cups), or 2 mangoes (1 1/2 pounds), peeled, seeded, and puréed; 1/2 cup sugar; 3/4 cup heavy cream; 2 tablespoons lime juice.