Lemon Fruit Swirls

INGREDIENTS

• 2 1/2 cups all-purpose flour
• 1 cup sugar
• 1/4 teaspoon salt
• 1 cup unsalted butter, at room temperature, cut into 1/2-inch slices
• 1 large egg
• 1 teaspoon vanilla
• 4 teaspoons grated lemon peel
• 1 teaspoon lemon juice
• 1/2 cup finely chopped dried apricot
• 1/2 cup finely chopped candied citron peel or 1/2 cup lemon peel
• 1/2 cup finely chopped candied red cherries
• 1/2 cup finely chopped walnuts
• parchment paper