Bring salted water to a boil, and add the pasta. Cook the pasta according to the package directions. For rigatoni pasta, this is usually approximately 12 - 15 minutes. Drain pasta once it's done. Reserve some pasta water in case needed later. This dish works best with al dente pasta.
Heat the vegan butter in a large skillet over low heat
Add the garlic, onions and red pepper flakes and saute
Add the capers and combine for a few minutes
Add the pureed tomatoes and stir. Continue to lightly stir and combine for 5 minutes
Slowly add the coconut milk and simmer for a few more minutes
Add in the vodka and stir to combine
Sprinkle in the oregano, salt, and pepper
Simmer for 8-10 minutes
Add in the cooked pasta and stir. Use some reserved pasta water if needed
Add vegan parmesan cheese and small torn basil pieces
Combine everything and enjoy!