Add pasta to a large pot of boiling, well-salted water and cook according to package instructions. Drain and cover to prevent drying.
Heat a large skillet over medium heat. Once hot, add olive oil, diced mushrooms and cumin. Cook until browned on both sides.
Add to your blender soaked raw cashews, nutritional yeast, garlic, tamari sauce, salt, pepper, lemon juice and some plant-based milk. The thickness of the sauce will depend on how much milk you add into it.
Blend on high until creamy and smooth.
Pour source into a skillet with mushrooms, mix it well together.
Add cooked pasta into a skillet and give it a good stir on a low heat to warm through.
Garnish with some parsley.