Aunt Susies Lemon Shortbread Bars Recipes

Steps:

• Preheat oven to 350°. In a food processor, combine the flour, confectioners' sugar, and lemon and orange zest. Add butter; cover and process until mixture forms a ball. , Pat into a greased 13x9-in. baking pan. Bake until set and the edges are lightly browned, 12-14 minutes. , In a large bowl, combine all the filling ingredients. Pour over hot crust. Bake until set and lightly browned, 14-16 minutes. In a small bowl, combine topping ingredients. Spread over filling. , Bake until topping is set, 7-9 minutes longer. Cool on a wire rack. Refrigerate overnight. Cut into bars just before serving. Store in the refrigerator.

Steps:

• For crust:
• Preheat oven to 350°F. Lightly coat 13x9x2-inch metal baking pan with nonstick spray. Blend flour, sugar and salt in processor to combine. Cut in butter, using on/off turns, until mixture resembles coarse meal. Add egg yolks and blend until moist clumps form. Press mixture onto bottom of prepared pan. Bake until just beginning to turn golden brown around edges, about 10 minutes. Remove crust from oven; reduce temperature to 325°F.
• Meanwhile, prepare lemon filling:
• Whisk eggs and sugar in large bowl to blend. Whisk flour and baking powder in medium bowl to blend. Add flour mixture to egg mixture, whisking to blend. Whisk in lemon juice and peel. Immediately pour lemon filling over hot crust; bake until filling is set, about 30 minutes. Maintain oven temperature.
• For streusel:
• Blend flour, 1/2 cup sugar and salt in processor to combine. Cut in butter, using on/off turns, until mixture resembles coarse meal.
• Sprinkle topping over hot lemon bars; continue to bake until just golden, about 25 minutes longer. Cool completely. Sprinkle powdered sugar over. Cut into bars. (Can be made 2 days ahead. Store in airtight container at room temperature.)