Preheat oven to 375 degrees F/190 degrees C.
In a mixing bowl, blend cracker crumbs and melted butter. Fit all into a 9-inch springform pan, working the crust up the sides as well as the bottom until firmly in place.
In a standing mixer, combine cream cheese, sugar, flour, and vanilla. When fully mixed, add eggs, one at a time, then heavy cream. Pour batter into prepared crust/pan.
Bake for 45 minutes or until center is firm with a slight jiggle. Remove and cool.
Top cake with berries and rosemary. Serves six.