Butternut Squash-Sweet Potato Ginger Bisque

Details

Ingredients

• 1 (2 pound) butternut squash - peeled, seeded, and cut into large chunks
• 4 sweet potatoes, peeled and cut into chunks
• 1 onion, peeled and chopped
• 1 (2 inch) piece fresh ginger, peeled and finely chopped
• 3 cloves garlic, peeled and chopped
• 1 ½ quarts water, or amount to cover
• 1 cup plain yogurt, or amount desired
• salt and ground black pepper to taste