For Apple Spice Cake
2 1/2 cups all purpose flour
1/4 cup cornstarch
4 teaspoons baking powder
1/2 teaspoon salt
2 teaspoons ground ginger
1 teaspoon ground cinnamon
1/2 teaspoon allspice
1/4 teaspoon ground nutmeg
1/8 teaspoon ground cloves
1 cup buttermilk
3 large eggs
1 teaspoon vanilla extract
8 ounces unsalted butter, at room temperature
2 cups light brown sugar
1 large granny smith apple, peeled, cored and grated
powdered sugar as needed for dusting
For Caramel Mousse Filling and Frosting
2 1/2 cups cold heavy whipping cream
8 ounces cream cheese at room temperature
8 ounces marscapone cheese, at room temperature
3/4 cup my salted caramel sauce, located in my profile and search
1 teaspoon vanilla extract
11/2 cup confectioner's sugar
For Garnish
additional salted c a Ramen sauce for drizzling the top of cake
as needed, decorative white sugar balls