Serves8 to 12
                    
                
                
                    
                        
                            - Active time:25 min
 
                        
                            - Start to finish:1 1/4 hr
 
                        
                    
                
             
            
            
                
                
                
    
      
          
          
          
              
              
              
          
          
          
          
          
              
              
              July 2008
            
          
          
      
  
                
                
            
            
            
                Lovers of beef and chorizo can have their steak and eat it, too: Here, a garlic, cumin, and smoked-paprika rub on rare roast beef has the alluring smoky meatiness you’ve always associated with the richly flavored sausage. The same seasonings, plus some drippings from the meat, transform ordinary store-bought mayonnaise into a simply spectacular accompaniment.
Learn the story behind this dish in our column, The Recipe. 
            
            
            
            
            
                
                    
                    
                    
                        
                            For beef
                            
                            
                                
                                    
                                        - 
                                            2
                                            
                                            large garlic cloves
                                            
                                        
 
                                    
                                        - 
                                            1
                                            teaspoon
                                            smoked paprika
                                            
                                        
 
                                    
                                        - 
                                            1
                                            teaspoon
                                            ground cumin
                                            
                                        
 
                                    
                                        - 
                                            1
                                            tablespoon
                                            olive oil
                                            
                                        
 
                                    
                                        - 
                                            1
                                            
                                            (3 1/2- to 4-lb) trimmed beef tenderloin roast, tied
                                            
                                        
 
                                    
                                
                            
                         
                    
                        
                            For mayonnaise
                            
                            
                                
                                    
                                        - 
                                            1
                                            cup
                                            mayonnaise
                                            
                                        
 
                                    
                                        - 
                                            1
                                            teaspoon
                                            smoked paprika
                                            
                                        
 
                                    
                                        - 
                                            1/2
                                            teaspoon
                                            ground cumin
                                            
                                        
 
                                    
                                        - 
                                            2
                                            tablespoons
                                            meat juices from beef, or to taste
                                            
                                        
 
                                    
                                
                            
                         
                    
                 
            
            
            
            
            
            
            
            
                
                    
                    
                    
                        
                            
                                Roast tenderloin:
                                
                                
                                    
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Preheat oven to 500°F with rack in middle.
                                         
                                    
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Mince and mash garlic to a paste with 1 1/4 teaspoon salt. Transfer to a small bowl and stir in paprika, cumin, oil, and 1 teaspoon pepper.
                                         
                                    
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Pat tenderloin dry, then rub garlic mixture all over it. Roast in a roasting pan until an instant-read thermometer inserted diagonally 2 inches into center of meat registers 120°F, 25 to 35 minutes for medium-rare.
                                         
                                    
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Transfer to a platter along with any pan juices and cool, loosely covered with foil, 30 minutes to 1 hour. (Internal temperature will rise to about 130°F as it rests.)
                                         
                                    
                                
                             
                        
                            
                                Make mayonnaise:
                                
                                
                                    
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Stir together mayonnaise, paprika, cumin, and 1/2 teaspoon pepper. Stir in meat juices and salt to taste.
                                         
                                    
                                
                             
                        
                            
                        
                    
                    Cooks’ note: Smoked-paprika mayonnaise keeps, chilled, 2 weeks.