knead the dough
In a bowl, knead together flour, semolina, and egg. If necessary, add a tablespoon or two of water to get a smooth dough. Cover the bowl with clingfilm or kitchen cloth, then set aside for 15 minutes for the dough to relax.
Using a grater, grate the dough using large holes onto a baking sheet or large plate.
Place a saucepan or pot filled with water over high heat. Bring to a boil, then add the grated pasta. Cook for 10 minutes, then serve in your favorite clear soup. Optionally you can dry the pasta and store it for later use.