Vegan Potato Leek Gratin Recipe

Ingredients

• 2 medium leeks, chopped
• 1 tablespoon vegan margarine
• 3 cloves garlic, crushed
• 3 teaspoons chopped fresh oregano, divided
• 3 teaspoons chopped fresh rosemary, divided
• 1 teaspoon salt
• 2 teaspoons ground black pepper
• 2 pounds Yukon gold potatoes, peeled and thinly sliced
• 2 (5.6 ounce) cans coconut milk
• 1.5 cups almond milk, or as needed
• 2 tablespoons all-purpose flour
• 1 cup shredded vegan cheese