Danish Creamery : Lemon Lavender Meringue Pie

Ingredients

• 2 sticks Unsalted Danish Creamery Butter, cold
• 2 ¾ cups all-purpose flour
• 1 teaspoon salt
• 6 Tablespoons ice water, plus more if needed
• 3 egg yolks
• 1 cup sugar
• ⅓ cornstarch
• 1 Tablespoon finely grated lemon zest
• ½ cup fresh lemon juice
• 1 ¼ cups water
• 2 Tablespoons culinary lavender
• ¼ teaspoon salt
• 1 Tablespoon unsalted Danish butter
• 5 large egg whites, room temperature
• ½ teaspoon cream of tartar
• ½ cup granulated sugar
• ⅛ teaspoon salt
• chopped candied lemon slices, as garnish