Lemon Bars with Kit Kat Crust

Bahan-bahan (16 porsi)

• Five 1.5 ounce (or about 14 mini-sized) Kit Kat Candy Bars
• 8 ounces cream cheese, (at room temperature)
• 2 cups powdered sugar, (measure then sift)
• 1 large egg
• 2 tablespoons freshly squeezed lemon juice
• 1 teaspoon lemon extract
• 1½ teaspoons finely grated lemon zest
• ⅓ cup all purpose flour
• ⅓ cup granulated white sugar
• ½ teaspoon lemon extract
• 2 tablespoons butter, (softened)