Tuscan Cheescake Cuisine: Italian Author: Chef Andy T Prep time: 20 mins Cook time: 1 hour 15 mins Total time: 1 hour 35 mins Serves: 4 Ingredients 3 lbs. ricotta cheese 8 eggs 2 cups sugar 1 cup milk 2 oranges, grated zest only 2 lemons, grated zest only 2-2/3 oz. Grand Marnier 1 tbsp.