Depending on what food processor you have it is possible for the dough to actually come together in the food processor.
If using a food processor, add all the ingredients to the food processor and blend until the mixture resembles a crumply mixture. Depending on what food processor you have it is possible for the dough to actually come together in the food processor. If it doesn’t simply turn over the crumbly mixture to a floured work surface and slowly knead it until it comes together into a nice firm pasta dough.