Ingredients:

• 3/4 cup unsalted raw cashews
• 1 small or 1/2 medium Yukon gold potato, chopped into 1-inch pieces
• 1/3 cup nutritional yeast
• 3 cloves garlic, crushed
• 1 cup plain almond milk, unsweetened
• 1/2 teaspoon salt, plus more to taste
• 1/4 teaspoon black pepper, plus more to taste
• 2 teaspoons white miso
• 4 1/2 cups water, divided
• 1 pound dry fettuccine pasta (see Recipe Note)
• 1/4 cup chopped parsley (optional)