Ingredients

1/2 c. (1 stick) butter

4 cloves garlic

1 onion, chopped

1 tsp. cider vinegar

1 tsp. dried sage

3 (15-oz.) cans pumpkin purée

2 tbsp. maple syrup

1 tsp. freshly grated nutmeg

Kosher salt

Freshly ground black pepper

1 (15-oz.) container ricotta cheese

3 c. shredded mozzarella, divided

3 c. shredded Fontina, divided

1 egg, beaten

Cooking spray, for baking dish

1 box no-boil lasagna noodles

Preparation

Step 1Preheat oven to 375°. In a saucepan over medium heat, melt butter. Add garlic and onion and cook until fragrant and soft, about 5 minutes. Deglaze pan with vinegar and cook until mostly evaporated, about 4 minutes. Stir in sage.Step 2Add pumpkin, maple syrup, and nutmeg and season with salt and pepper. Heat until warmed through, about 5 minutes. Step 3In a medium bowl, stir together ricotta, 2 cups mozzarella, 2 cups Fontina, and egg until combined.Step 4Grease a 9"-x-13" baking dish (or similarly sized dish) with cooking spray. Smear a thin layer of pumpkin mixture on bottom of baking dish and cover mixture with noodles. Add a third of pumpkin mixture, followed by a third of cheese mixture. Repeat two more times, using all pumpkin and cheese. Top with a layer of noodles, then sprinkle with remaining 1 cup mozzarella and 1 cup Fontina.Step 5Bake lasagna, covered, 35 minutes. Uncover, heat oven to 400°, and cook until cheese on top has melted, about 15 minutes more. Step 6Let rest for 5 minutes, then slice and serve.