This High-Fiber Vegetable Tian Is Packed with Fall Flavors

Layers of butternut squash, red onion, potato and beets combine to create this stunning casserole. A quick garlic-infused oil is brushed onto the vegetables to get savory flavor in every bite. Look for a butternut squash with a slender neck to produce even slices. If you want a stronger flavor, try swapping the Parmesan for Gruyère or Pecorino Romano.