Shortbread Lemon Bars Recipe

INGREDIENTS

• 1-1/2 cups all-purpose flour
• 1/2 cup confectioners' sugar
• 1 teaspoon grated lemon peel
• 1 teaspoon grated orange peel
• 3/4 cup cold butter, cubed
• FILLING:
• 4 Eggland's Best Eggs
• 2 cups sugar
• 1/3 cup lemon juice
• 1/4 cup all-purpose flour
• 2 teaspoons grated lemon peel
• 2 teaspoons grated orange peel
• 1 teaspoon baking powder
• TOPPING:
• 2 cups (16 ounces) sour cream
• 1/3 cup sugar
• 1/2 teaspoon vanilla extract