1 cup all-purpose flour
1/3 cup unsalted butter, melted and cooled slightly
1/4 cup granulated sugar
1/4 teaspoon salt
1/4 teaspoon grated lemon peel
1 (8-ounce) package regular or light cream cheese, at room temperature
1 (14-ounce) can sweetened condensed milk
1/2 cup fresh squeezed lime or lemon juice
1 to 2 tablespoons grated lime or lemon zest
Additional lime or lemon peel for garnish
Preheat oven to 350°F. Line a 9-inch-square baking pan with foil, making sure edges fold over pan. Spray with nonstick cooking spray.
In a mixing bowl, stir together flour, butter, granulated sugar, salt and lemon peel until combined; Press dough firmly into prepared pan.
Bake for 20 minutes or until golden. Remove from oven and cool on wire rack.
Meanwhile, prepare filling. Beat cream cheese in large mixer bowl until smooth. Beat in sweetened condensed milk. Stir in lime juice and lime peel. Pour into crust.
Bake for another 28 to 30 minutes or until edges puff slightly but center still moves slightly. Cool completely in pan on wire rack. Cover; refrigerate for several hours. Lift from pan with foil; cut into bars. Dust with powdered sugar and sprinkle more grated lime peel on top if desired. Makes 16 bars.