In a stand mixer, mix all purpose flour, semolina flour, and salt. Then, add eggs and water. Add olive oil if desired. With a dough hook on low speed, knead for 5-10 minutes on low speed or until the dough is smooth. If the dough feels dry, add a tablespoon of water at a time.
Cover the dough with plastic wrap and let it rest for 30 minutes at room temperature.
On a floured surface, cut the dough into 8 pieces. Take a portion and flatten it by hand. Using a pasta roller, pass it through the #2 setting.
Fold the dough into thirds and pass it through #2 again. Then, feed it through settings #3 and #4 once and twice on #5. Generously dust with flour and repeat with remaining dough.
Switch to the fettuccini cutter or your favorite noodle shape and on setting #2, pass the pasta sheets through to cut the the noodles. Repeat with remaining dough. Dust with more flour as needed.
Notes
If you only use 00 or all purpose flour, knead the dough for 5 minutes. Then, only add water 1 tb at a time if needed.
This recipe can be used for any pasta shape.
Cover with a towel or plastic wrap to prevent the pasta from drying out while you're rolling and cutting.
Refrigerate pasta in an airtight container for up to 3 days.
Freeze fresh pasta noodles for up to a month and cook directly from the freezer.
Cook pasta in salted boiling water until al dente. The fettuccini took about 4 minutes.