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1
In a medium bowl, stir together the chopped apples, lemon zest, juice, and sugar. Set aside.
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2
In a large bowl, whisk together the flour, both sugars, baking powder, salt, cinnamon, cloves, and nutmeg. Add the butter, eggs, and vanilla. Use a spatula to gently combine all of the wet ingredients into the dry. The mixture will be very thick.
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3
Preheat the oven to 350*F. Coat a 10-inch round cake pan generously with nonstick spray and lightly dust the pan with flour, tapping out any excess. Set the pan on a rimmed baking sheet.
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4
Use your fingers to press about two-thirds of the dough into the bottom and slightly up the sides of the prepared pan, creating a little lip all around the edge. Pour the apple mixture evenly on top of the dough. Crumble the remaining third of the dough over the apples, creating streusel crumbles.
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5
Bake 40 to 45 minutes, rotating the pan around halfway through the baking time, until the apples are toothpick-tender, and the streusel topping is a deep golden brown. Let cool in the pan until easy to handle, then carefully invert onto a serving plate.
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6
Top each slice with Brown Sugar Mascarpone Cream. In a small bowl, stir together sour cream, mascarpone cheese, vanilla extract, and light brown sugar until smooth and creamy.
