1 1/2 cups all purpose flour 1/2 cup powdered sugar 1 tsp rose water flavoring 1/2 tsp vanilla 3/4 cup unsalted butter at room temperature
4 eggs 1 1/2 cups sugar 1/2 cup key lime juice 1 tablespoon all purpose flour 1 tablespoon grated lime peel
Powdered sugar for dusting.Preheat oven to 350°F.
Combine 1 1/2 cups flour and 1/2 cup powdered sugar in large bowl. Add the butter, vanilla, and rosewater and cut in with your fingers until mixture resembles coarse crumbs.
Press mixture into bottom of 9×13x2-inch baking dish that has been buttered.
Bake until golden brown, about 20 minutes. Remove from oven.
Whisk eggs, 1 1/2 cups sugar, lime juice, 1 tablespoon flour and lime peel in medium bowl to blend. Pour into crust. Bake until mixture is set, about 20 minutes. Cool.