Mushroom and Sweet Potato Potpie Recipe: How to Make It

Ingredients

• 1/3 cup olive oil, divided
• 1 pound sliced fresh shiitake mushrooms
• 1 pound sliced baby portobello mushrooms
• 2 large onions, chopped
• 2 garlic cloves, minced
• 1 teaspoon minced fresh rosemary, plus more for topping
• 1 bottle (12 ounces) porter or stout beer
• 1-1/2 cups mushroom broth or vegetable broth, divided
• 2 bay leaves
• 1 tablespoon balsamic vinegar
• 2 tablespoons reduced-sodium soy sauce
• 1/4 cup cornstarch
• 3 to 4 small sweet potatoes, peeled and thinly sliced
• 3/4 teaspoon coarsely ground pepper
• 1/2 teaspoon salt