Prep the cashew cream
Boil water in a small pot, remove from heat, add the cashews, and cover for 20 minutes. Drain and rinse.
Combine the soaked cashews with ¾ cup water and a pinch of salt in a blender. Blend on high until very smooth. Set aside.
(Skip soaking only if your blender can pulverize raw cashews without a sweat.)
Start the sauce
Heat 2 tbsp olive oil or vegan butter in a large skillet over medium heat. Add the minced shallot and sauté 2–3 minutes until soft.
Add the garlic, red chili flakes (if using), and dried oregano. Sauté 30–60 seconds until fragrant.
Deglaze with vodka
Pour ½ cup vodka into the pan and let it reduce by half — about 1–2 minutes. Use caution near open flames; alcohol can flare.
Add 28 oz crushed tomatoes, ½ cup vegetable broth, ¾ tsp sea salt, and cracked pepper. Reduce the heat and simmer gently 12–15 minutes, stirring now and then until the sauce thickens.
Cook the pasta
While the sauce simmers, bring a large pot of salted water to a boil. Add 12 oz penne and cook until just shy of al dente (usually 8–9 minutes). Reserve ½ cup pasta water, then drain.
Finish the sauce
Pour the cashew cream into the simmering tomato sauce and stir until the mixture looks glossy and integrated. Simmer 1–2 minutes to thicken and marry flavors. Taste and adjust salt/pepper.
Combine and serve
Add the cooked penne to the pan and gently toss to coat. If the sauce runs thick, add reserved pasta water a splash at a time until you reach your preferred consistency.
Cook together 1–2 minutes to warm the pasta through. Remove from heat. Garnish with fresh basil and vegan Parmesan. Serve immediately.