Butternut Squash-Sweet Potato Ginger Bisque

Ingredients (9)

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