Orange Blossom Turkish Delight

Ingredients

• 3 1/4 cups water
• 4 1/2 cups granulated sugar
• 3/4 teaspoon cream of tartar
• 3 teaspoons orange zest
• 2 tablespoons lemon juice
• 1 cup corn starch
• 2 tablespoons orange blossom water
• 3 drops orange food coloring if desired, optional
• 1 cup powdered sugar for dusting
• 1 cup pistachios or any chopped nuts