Lemon Cream Cheese Pie with icing

1 (18 ounce) box of duncan hines moist deluxe lemon supreme cake mix 1 cup chunky applesauce (I use Mott's) 1 extra large egg 1 lemon, juice and zest of 1[...]

2 1/4 cups all-purpose flour 3/4 teaspoon ground cinnamon 1/4 teaspoon ground allspice 1/8 teaspoon ground nutmeg 1/8 teaspoon ground cloves 1/8 teaspoon salt[...]

3/4 cup powdered sugar 1 (3 ounce) package cream cheese 1 tablespoon fresh lemon juice 1 teaspoon freshly grated lemon zest 1 teaspoon vanilla extract 1/4 cup[...]