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1
Preheat oven to 325 degrees. Spray a springform pan with cooking spray.
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2
Peel and slice the apples into a bowl. Microwave them until softened, about 5-6 minutes, stirring halfway through. When done add Grand Marnier and lemon juice and set aside to cool.
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3
In a small bowl mix 1 cup flour, brown sugar (make sure there are no lumps), 1/4 cup white sugar, baking powder, and salt.
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4
In a large bowl with an electric mixer combine the egg, melted butter, milk, vanilla and 1 tsp of the cinnamon. Add the flour mixture and combine. Remove 1 cup of the batter.
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5
Add the egg yolks to the large bowl and combine. Add the apples. The batter will be thin, don't worry!
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6
Add the 2 TB of flour to the 1 cup of batter you've set aside and whisk to combine.
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7
Put the contents of the large bowl with the apples into the springform pan. Put the remaining 1 cup of batter on top of the apple layer and carefully spread. The top layer is thick but it will spread with a knife or the back of a spoon.
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8
Combine 1 TB sugar and 1/2 tsp. cinnamon and sprinkle over the top.
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9
Bake for 1 hour 15 minutes, a knife. should come out clean when inserted. Dust with powdered sugar. I serve this with whipped cream.
