Transylvanian Mushroom & Bean Soup with Toasted Cornbread

Ingredients

• 1 tablespoon olive oil
• 1 medium yellow onion, chopped
• 2 carrots, peeled and diced
• 2 celery stalks, diced
• 8 ounces cremini mushrooms, sliced
• 2 garlic cloves, minced
• 2 tablespoons sweet Hungarian paprika
• 1 teaspoon dried marjoram
• 1/2 teaspoon caraway seeds
• 6 cups vegetable broth
• 1 (15 ounce) can cannellini beans, rinsed and drained
• 1/2 cup sour cream, plus more for serving
• 2 tablespoons chopped fresh dill
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1 (8.5 ounce) package gluten-free cornbread mix
• Ingredients called for on cornbread mix package (typically milk and egg)
• 1 large egg