Vegan Potato Gratin - Lakewinds Food Co-op

Ingredients

• 1 cup raw cashews
• 1 cup unsweetened oat milk
• ½ cup vegetable stock
• 1 Tablespoon white miso
• 3 Tablespoons nutritional yeast
• 2 teaspoons Dijon mustard
• 1 teaspoon salt
• 2 Tablespoons vegan butter, <em>plus more for pan</em>
• 1 large yellow onion, <em>thinly sliced</em>
• 2 cloves garlic, <em>chopped</em>
• 2 Tablespoons fresh thyme, <em>coarsely chopped, plus more for garnish</em>
• 2 pounds sweet potatoes, <em>2-inches wide, peeled and sliced</em>
• 2 pounds small russet potatoes, <em>2-inches wide, peeled and sliced</em>
• ½ cup vegan cheddar shreds,<em> optional</em>