Preheat oven to 375°
Peel and core apples. Cut each half into wedges then into 1/4" slices. Set aside
Grease a 9-inch springform pan. LIne with a circle of parchment. Grease top of parchment. Set aside
Cream butter and sugar until well combined. Add eggs one at a time. Mix to combine.
In a small bowl, combine cornstarch, flour, baking powder and salt. Whisk to combine. Then stir into the egg/butter mixture just until combined. Stir in cream. Fold in raisins and apples. You will think there is not enough batter but there is.
Spread half of batter in prepared pan. Top with single layer of sliced bananas. Top with remaining half of batter.
Transfer to preheated 375° oven and bake for 45-50 minutes or top springs back. To finish, move to top rack and broil briefly.. Watch carefully.
Remove from oven and splash with Calvados or Apple Brandy, if desired.