Vegan Potato Corn Chowder

Name: Vegan Potato Corn Chowder
Ingredients: 1 tablespoon (14 g) vegan butter; 1 medium yellow onion, diced; 2 carrots, chopped; 2 pounds (907 g) Yukon gold potatoes, chopped; 5 cups (575 g) sweet corn kernels (I used frozen); 1/4 cup (20 g) nutritional yeast; 1 1/2 teaspoons onion powder; 1/2 teaspoon ground paprika; 1/2 teaspoon dried parsley; 3 cups (710 ml) vegetable broth; 1 cup (235 ml) unsweetened non-dairy milk; 1/2 cup (70 g) raw cashews; 1 teaspoon sea salt, or to taste; 1/2 teaspoon black pepper, or to taste; Optional, diced green onion for topping