Vegan Creamy Tomato Pasta

Name: Vegan Creamy Tomato Pasta
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Cuisine: Italian
Ingredients: 1/2 cup raw cashews; 2 tablespoons extra virgin olive oil; 1 small or 1/2 medium yellow onion, finely diced; 4 medium garlic cloves, minced; 1/4 teaspoon red pepper flakes; 1/4 teaspoon fine sea salt, plus more to taste; One 15-ounce can tomato sauce; Freshly ground black pepper, to taste; 2 tablespoons white miso; 1 pound short pasta, like cavatappi, rigatoni, or penne; Minced parsley or basil, for serving