Walnut and Pistachio Baklava

INGREDIENTS

• 2 cups sugar
• 1 1/2 cups (3 sticks) unsalted butter, melted
• 2 cinnamon sticks
• 1/2 cup finely diced dried apple rings (1 1/2 ounces)
• 20 17 x 12-inch sheets fresh phyllo pastry or frozen, thawed
• 3/4 cup sugar
• 2 tablespoons fresh lemon juice
• 1 1/2 teaspoons ground cinnamon
• 3 cups natural raw unsalted pistachios (13 to 14 ounces)
• 2 teaspoons finely grated lemon peel
• 3 cups walnuts (10 to 11 ounces)
• 2/3 cup honey (preferably Greek)