Cozy Autumn Wild Rice Soup

• 6 cups vegetable stock (or chicken stock)
• 1 cup uncooked wild rice*
• 8 ounces baby bella mushrooms, sliced
• 4 cloves garlic, minced
• 2 medium carrots, diced
• 2 ribs celery, diced
• 1 large (about 1 pound) sweet potato, peeled and diced
• 1 small white onion, peeled and diced
• 1 bay leaf
• 1 1/2 tablespoon Old Bay seasoning
• 4 tablespoons butter
• 1/3 cup all-purpose flour
• 1 1/2 cups milk
• 2 large handfuls of kale, roughly chopped with thick stems removed
• Kosher salt and freshly-cracked black pepper
• Kosher salt and freshly-cracked black pepper