Boil pasta as per package directions. Drain and set aside.
Sauté mushrooms in olive oil until browned, 6–8 minutes. Add a pinch of salt.
Blend Alfredo sauce: cashews, soy milk, garlic, lemon, yeast, onion powder. Blend until smooth.
Pour sauce into skillet with mushrooms. Simmer on low 5 minutes. Stir in pasta.
Press crust ingredients into springform pan. Chill while making cheesecake filling.
Blend filling: cashews, cream, syrup, espresso, vanilla, lemon, oil. Pour over crust.
Freeze cheesecake for at least 2 hours. Remove 10 minutes before serving for best texture.
Plate pasta with cracked pepper. Follow it with cheesecake slices that scream “I deserve this.”