Creamy Celeriac Pasta Alfredo - Forks Over Knives

Ingredients

• 1 head celeriac, peeled and roughly chopped (about 2 cups)
• 1 large yellow onion, roughly chopped (about 1½ cups)
• 5 cloves garlic, roughly chopped
• ¼ cup pine nuts or cashews
• ½ cup unsweetened, unflavored plant milk
• 2 tablespoons nutritional yeast, plus more for seasoning
• ½ teaspoon sea salt
• 1 lb. whole grain pasta
• 1 head broccoli, cut into florets (3 cups)
• Freshly ground black pepper, to taste