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                                            Prep Time: 17 Minutes Cook Time: 54 Minutes  | 
                                            Ready In: 71 Minutes Servings: 1  | 
                                         
                                        
                                     
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                    Brown sugar and butter come together in this recipe to create a sublime caramel. This easy tart's  made of simple ingredients, yet it received our Test Kitchens highest marks. Ingredients: 
                    
                        
                                                1/2 (15-ounce) package refrigerated piecrusts  |  
                                                1/2 cup butter, softened  |  
                                                1 1/2 cups firmly packed light brown sugar  |  
                                                3 large eggs  |  
                                                1 tablespoon all-purpose flour  |  
                                                1/4 cup buttermilk  |  
                                                2 teaspoons vanilla extract  |  
                                                powdered sugar (optional)  |  
                                                whipped cream  |  
                                                
                     
                    Directions: 
                    
                        
                            
                                1. Fit piecrust into a 10  tart pan with a removable bottom according to package directions. Line pastry with aluminum foil, and fill with dried beans. Bake at 450° for 7 minutes. Remove dried beans and foil, and bake piecrust 2 more minutes; cool on a wire rack. Reduce oven temperature to 350°. 2. Beat butter and brown sugar in a large bowl at medium speed with an electric mixer until fluffy; add eggs, 1 at a time, beating well after each addition. Stir in flour and buttermilk. Add vanilla, stirring well. Pour filling into prepared crust. 3. Bake at 350° for 45 minutes or until almost set. Cool completely on wire rack. Remove tart pan rim and transfer tart to a serving platter. Dust with powdered sugar, if desired. Dollop each serving with whipped cream.                              | 
                         
                         
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