In order to prepare Crab-Filled Ravioli, you will need the following: lemon, crab, Mascarpone cheese, pepper, parsley, and pasta dough. Prepare the pasta dough from scratch in advance. Chop the fresh parsley. Place parsley in a bowl. Add the fresh crab. Make sure the water has been drained. Add lemon juice. Add the Mascarpone cheese. Add pepper. Stir. Roll out the pasta dough. Cut 10 centimeter strips. Place the dough in the ravioli maker. Add a couple of spoonfuls of the crab mixture. Turn the handle slowly. Add more crabmeat as needed. Lay it on a flat surface. Cut them apart with a pastry cutter. Boil them for 10 minutes. Serve.