Roasted Sweet Potato and Apple Soup - The Scramble

Ingredients

• 2 sweet potatoes (peeled and cut into medium chunks)
• 1 apple (such as Gala or Jonagold, peeled, cored and quartered)
• 1 yellow onion (peeled and quartered)
• 2 cloves garlic (peeled)
• 2 Tbsp. olive oil
• salt and black pepper to taste (optional)
• 3 - 4 cups reduced-sodium chicken broth (or use vegetable broth)
• 3/4 cup low fat sour cream (or use plain Greek yogurt, for serving, optional)