01 -
Cook the fettuccine pasta according to the package instructions. Save 1/4 cup of the pasta water, then drain the pasta.
02 -
In a large skillet over medium-high heat, heat the olive oil and 1 tablespoon of butter. Add sliced mushrooms and cook for 5 minutes, stirring frequently, until softened and juices are released.
03 -
Add garlic to the skillet and cook for 1 minute, stirring, until fragrant.
04 -
Pour in the white wine or white wine vinegar, scraping up any browned bits at the bottom of the skillet.
05 -
Add 2 tablespoons of butter to the skillet and melt. Stir in the flour and cook for 2 minutes, stirring frequently.
06 -
Slowly pour the vegetable broth into the skillet, stirring until smooth. Gradually add the skim milk while stirring until smooth.
07 -
Bring the mixture to a simmer over medium-low heat, stirring occasionally, until slightly thickened for about 3-4 minutes.
08 -
Reduce heat to low. Stir in the parmesan cheese until fully melted and the sauce is smooth. Cook for an additional minute. Add minced thyme, oregano, salt, and pepper to taste.
09 -
Remove the skillet from heat. Stir the cooked fettuccine pasta into the sauce, ensuring it is fully coated. Add reserved pasta water, one tablespoon at a time, to adjust the sauce consistency as desired.
10 -
Top with any remaining fresh herbs and serve immediately.