01 -
Bring a large pot of salted water to a boil. Add fettuccine and cook according to package directions until al dente. Reserve 60 ml pasta water, then drain thoroughly.
02 -
Heat olive oil with 15 g butter in a large skillet over medium heat. Add sliced cremini mushrooms and sauté for 5 minutes, stirring occasionally, until mushrooms are tender and juices are released.
03 -
Add minced garlic to the skillet and stir for 1 minute until aromatic. Pour in white wine or vinegar and scrape up any fond from the bottom of the pan.
04 -
Add remaining 30 g butter. Once melted, sprinkle in flour and stir continuously for 2 minutes to form a smooth paste.
05 -
Gradually whisk in vegetable broth to maintain a lump-free mixture. Stream in skim milk, stirring constantly. Reduce heat to medium-low and simmer 3–4 minutes, stirring, until the sauce thickens slightly.
06 -
Lower heat to minimum. Stir in shredded parmesan until fully melted and sauce is smooth. Add thyme and oregano. Season to taste with salt and pepper.
07 -
Transfer drained fettuccine to the skillet. Toss with sauce to coat evenly. Adjust sauce consistency with reserved pasta water, adding a tablespoon at a time as needed.
08 -
Garnish with additional fresh herbs if desired. Serve immediately for best texture and flavor.