Cappuccino Fudge Cheesecake

recipe from Smitten Kitchen (I modify a little on the liquor as I do not have rum and enough Kahlua) Crust 180-200g Oreo cookies crumb 5 Tbs melted butter Ganache 1 1/2 cup whipping cream 500g Chocolate 1/4 cup kahlua / other coffee liquor (I uses Kahlua + Bailey's) Cheese Filling 750g cream cheese 1 cup sugar 1 1/2 Tbs flour 3 Tbs coffee powder 2 Tbs Bailey's 3 eggs Topping (I skip this part, i do have sour cream) 1 1/2 cups sour cream 1/3 cup sugar 2 teaspoons vanilla extract Espresso coffee beans (optional)