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                                            Prep Time: 15 Minutes Cook Time: 20 Minutes  | 
                                            Ready In: 35 Minutes Servings: 16  | 
                                         
                                        
                                     
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                    Sunset Ingredients: 
                    
                        
                                                3/4 cup butter, at room temperature  |  
                                                1/4 cup firmly packed brown sugar  |  
                                                1 large egg yolk  |  
                                                1/2 teaspoon vanilla  |  
                                                1 1/2 cups all-purpose flour  |  
                                                3/4 teaspoon salt  |  
                                                2 3/4 cups walnut halves  |  
                                                1 3/4 cups granulated sugar  |  
                                                2 tablespoons light corn syrup  |  
                                                1/2 cup whipping cream  |  
                                                
                     
                    Directions: 
                    
                        
                            
                                1. Preheat oven to 350°. In a bowl, with a mixer on medium speed, beat 1/2 cup butter and the brown sugar until smooth. 2. Beat in egg yolk and vanilla. Add flour and 1/4 teaspoon salt and beat until mixture forms a ball. 3. Press dough over bottom and up sides to rim of a 9-inch fluted tart pan with removable rim. Freeze until firm, 15 minutes. 4. Meanwhile, spread walnuts in a large baking pan. Bake until lightly golden under skins, about 8 minutes (leave oven on). 5. When walnuts are cool enough to handle, chop 2 cups; reserve remainder. 6. Bake tart shell until golden, 16 to 18 minutes. Transfer to a wire rack. 7. Meanwhile, in a 3- to 4-quart pan over medium heat, combine granulated sugar, corn syrup, and 1/4 cup water. 8. Stir until sugar is dissolved, then increase heat to high and boil, swirling mixture occasionally, until mixture is a deep golden brown, 10 to 15 minutes. 9. Remove from heat and stir in crème fraîche, remaining 1/4 cup butter, and remaining 1/2 teaspoon salt (mixture will foam). Stir until smooth. 10. Spread chopped walnuts in tart shell, then pour in hot caramel; spread level. 11. Garnish edge of tart with reserved walnut halves. Let tart cool until caramel is firm enough to slice, at least 4 hours, or chill up to 2 days (bring to room temperature before serving). Cut into thin wedges.                              | 
                         
                         
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