2 1/4 cups all-purpose flour, divided
2/3 cup powdered sugar
1 tsp baking powder, divided
1 cup butter
5 large eggs
2 cups sugar
1/2 cup fresh lime juice
Garnish: powdered sugar, lime sliced
Preheat oven to 350 degrees. Spray a 13 x 9 pan with nonstick cooking spray.
In a medium bowl. combine 2 cups flour, powdered sugar, and 1/2 tsp baking powder. Using a pastry blender, cut in butter until mixture is crumbly. Press mixture into prepared pan. Bake for 20 to 25 minutes, or until mixture is lightly browned.
In a medium bowl, combine eggs, sugar, juice, remaining 1/4 flour, and remaining 1/2 tsp baking powder. Pour over hot crust. Bake for 22 to 25 minutes or until lightly browned. Cool completely before cutting into bars. Garnish with powdered sugar and lime slices, if desired.