Butternut Squash Lasagna
Feb 08, 2026 01:43 PM
Butternut Squash Lasagna layers sweet roasted squash, creamy cottage cheese (or ricotta for the lasagna purists), spinach, and tender noodles into one irresistible bake. Perfect for making ahead, it’s a crowd-pleasing meatless main and fantastic for meal prep too!
This butternut squash lasagna is worthy of a special occasion!
Lasagna takes some effort to put together (unless it’s Skillet Lasagna), which makes it feel special. This butternut squash lasagna is the kind of dinner you sit down to and savor.
I made this recipe for family friends of ours and their kiddos, and every single person went back for seconds. It’s a fall and wintertime twist on classic lasagna that feels comforting and unexpected at the same time.
This vegetarian lasagna starts by roasting butternut squash, garlic, and onion, which concentrates their flavors. The veggies are pureed into a smooth, creamy layer that replaces half of the usual marinara—the other half is replaced with a rich homemade béchamel sauce. And then the rest of the lasagna is pretty much the standard.
Creamy cheese layer? Check! Noodles? Present and accounted for! Melty mozzarella? Oh, you know it!
Ingredients:
- 1 large butternut squash about 2 ½ pounds
- 3 tablespoons olive oil divided
- 2 ¼ teaspoons kosher salt divided
- ½ teaspoon ground black pepper divided
- 1 large yellow onion halved then cut into 1 ½-inch wedges
- 1 head garlic
- 3 tablespoons unsalted butter
- ⅓ cup all-purpose flour
- 3 ½ cups low-fat milk
- 1 cup grated Parmesan cheese divided
- 1 cup shredded low-moisture part-skim mozzarella divided
- ⅛ teaspoon ground nutmeg freshly grated if possible
- 16 ounces low-fat cottage cheese or part-skim ricotta
- 2 large eggs
- 12 ounces frozen chopped spinach thawed and squeezed very dry
- 1 tablespoon finely chopped fresh sage plus additional for serving
- 12 to 15 sheets no-boil lasagna noodles as needed to cover layers
- Kosher salt and freshly ground black pepper
Prep Time:
30 minutes
Cook Time:
135 minutes
Total Time:
165 minutes
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