45min · 8 servings To make vegan potatoes au gratin, you'll need: • 2 lb russet potatoes For the vegan parmesan, you'll need: • 1/2 cup raw cashews • 3 Tbsp nutritional yeast • 1 tsp garlic powder • 1 tsp onion powder • 1/2 tsp sea salt • 1/4 tsp ground black pepper • 1/4 tsp lemon pepper seasoning For the dairy free buttermilk: • 2.5 cups unsweetened plain non-dairy milk • 1.5 Tbsp apple cider vinegar