Combine the cashews & water and let soak for at least 4 hours before blending. If you miss this step, combine them in a small saucepan, bring to a boil, remove from heat and let soak while you're prepping everything else.
Cook your pasta according to the al dente instructions on the box.
Mince the onion, garlic, and parsley. Grate the vegan parmesan cheese.
Blend the cashew/water mix in a high powered blender, if possible.
Clean out the blender, add the tomato can(s), and purée.
In a large saucepan, heat the vegan butter. Add the onions, garlic, red pepper flakes, and salt. Cook for about 3 minutes or until the onions are translucent.
Add the cashew cream, vodka, and tomatoes. Bring to a low simmer and cook for 8 minutes, stirring occasionally. (Be patient! This is when the alcohol will evaporate).
Add the cooked pasta, vegan parmesan, and parsley. Combine & enjoy! Top with more vegan parmesan cheese.