Squash Skilet Lasagna

User Reviews

4.8

12 reviews
Excellent
  • Prep Time

    20 mins

  • Cook Time

    1 hr 20 mins

  • Total Time

    1 hr 40 mins

  • Calories

    1100 kcal

  • Course

    Main Course

  • Cuisine

    American

Squash Skilet Lasagna

This squash lasagna is the ultimate fall comfort food. This squash skillet lasagna is layered with roasted kabocha squash, roasted garlic, caramelized onions, fresh spinach, herbs, aromatics, and melty gruyere cheese.

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Ingredients

  • 1 large kabocha squash (quartered, deseeded)
  • 1 head garlic (top 1/3 cut and removed)
  • 3 tablespoons olive oil
  • kosher salt
  • ground black pepper
  • 1 tick salted butter (divided)
  • 2 yellow onions (peeled, cut in half, sliced thin on mandoline)
  • 1/4 cup dry white or red wine
  • 6 ounces fresh spinach
  • 2 cups freshly grated gruyere cheese
  • 1 egg
  • 4 ounces ricotta cheese
  • 2 1/4 cups whole milk (divided)
  • 3 tablespoons all purpose flour
  • 2 tablespoons freshly chopped sage
  • 2 tablespoons freshly chopped thyme
  • 1/4 teaspoon ground nutmeg
  • 1 package no-boil lasagna noodles
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Instructions

Kabocha squash & garlic

  1. Preheat oven to 400F
  2. Using a sharp chef's knife, carefully cut squash in half. Using a spoon, scoop seeds out of squash and discard. Cut squash halves in half, so that you have 4 pieces of squash.
  3. Place squash on a baking sheet and brush the insides with olive oil, then liberally salt and pepper each quarter.
  4. Cut top 1/3 off garlic head. Place on foil and drizzle 1 tbsp of olive oil over exposed cloves. Add a pinch of salt and pepper over the top, then tightly wrap in foil. Place on the baking sheet with the squash.
  5. Roast for 45 minutes, until the squash and garlic are easily pierced with a fork.

Caramelized onions

  1. While the squash and garlic roasts, caramelize onions. In a dutch oven over medium-low heat, add in 3 tbsp butter and melt. Once melted, add in the sliced onions.
  2. Cook the onions down, mixing every so often, until they are caramelized, about 45 minutes. They should be dark amber and jammy once finished.
  3. Once onions are caramelized, add in 1/4 cup of wine and allow the liquid to reduce for 3 minutes. Add in the spinach and allow to just wilt, about 2-3 minutes. Remove from heat and set aside.

Squash purée

  1. For this next part you can use a blender or hand mash, since the consistency is thick I recommend hand mash. Once the squash is done roasting, scoop the flesh out and discard the skin of the squash. Add squash to bowl or blender. Squeeze garlic cloves and using a pairing knife to get any cloves in the skin.
  2. Add egg, ricotta cheese, 1/4 cup milk and 2 tbsp butter to the squash and garlic. Mix until ingredients are incorporated. You're looking for the consistency of mashed potatoes. You can add additional milk to thin out, but remember you can always add liquid, but you can't take away. Set aside once combined.

Cheesy béchamel sauce

  1. In the dutch oven over medium heat, add 3 tbsp butter and allow to melt. Once melted, add in the 3 tbso flour and whisk to combine. Slowly begin pouring in 2 cups of milk, while whisking the lumps out. Bring to a gentle boil.
  2. Once gently boiling, add in the sage, thyme, nutmeg, and a 1/4 tsp salt and 1/4 tsp pepper. Stir to combine. Add in the shredded gruyere cheese and whisk until fully melted. Turn heat off.

Assembling squash lasagna

  1. In a cast iron skillet, add 1/3 of the cheesy béchamel sauce to coat the bottom of the skillet. Next add a layer of no-boil lasagna noodles, breaking them up to fit the skillet. Spoon a few dollops of the squash purée and spread an even layer to the edges with a spatula. Add some of the caramelized onion and spinach mix over top, then repeat.
  2. Order of layers: cheesy béchamel sauce, lasagna noodles, squash purée, caramelized onion spinach mix, ending with the last of the cheesy béchamel sauce over the top.

Bake

  1. Once the squash lasagna is assembled, add a layer of parchment paper, followed by foil over the top. The parchment paper will keep the cheese from sticking to the foil while baking.
  2. Bake at 400F covered for 20 minutes, then uncovered for 15 minutes until the top layer is golden and bubbly.
  3. Remove from oven and allow to cool for 5 minutes before serving. Since it is a skillet lasagna, you can serve like a pie or cut into squares. Enjoy!

Notes

  • This squash lasagna can be made ahead of time prior to assembly or after fully assembled.
  • To store leftovers: allow the lasagna to fully cool (cast iron will no longer be hot), then you can cut into slices and store in airtight container or transfer the whole to a dish and store.
  • To reheat leftovers: you can microwave for 2-3 minutes until warm throughout or you can place in the oven at 350F covered for 25-30 minutes or until warmed through.
  • If making individual elements ahead of time, cheesy béchamel sauce will have to be reheated prior to using.
  • If assembling fully and refrigerating, you may need to bake covered an additional 5-10 minutes since all the elements will be colder.

Nutrition Information

Show Details
Calories 1100kcal (55%) Carbohydrates 89g (30%) Protein 42g (84%) Fat 66g (102%) Saturated Fat 34g (170%) Polyunsaturated Fat 4g Monounsaturated Fat 23g Trans Fat 1g Cholesterol 234mg (78%) Sodium 792mg (33%) Potassium 1643mg (47%) Fiber 9g (36%) Sugar 16g (32%) Vitamin A 8971IU (179%) Vitamin C 51mg (57%) Calcium 1077mg (108%) Iron 4mg (22%)

Nutrition Facts

Serving: 1Serving

Amount Per Serving

Calories 1100 kcal

% Daily Value*

Calories 1100kcal 55%
Carbohydrates 89g 30%
Protein 42g 84%
Fat 66g 102%
Saturated Fat 34g 170%
Polyunsaturated Fat 4g 24%
Monounsaturated Fat 23g 115%
Trans Fat 1g 50%
Cholesterol 234mg 78%
Sodium 792mg 33%
Potassium 1643mg 35%
Fiber 9g 36%
Sugar 16g 32%
Vitamin A 8971IU 179%
Vitamin C 51mg 57%
Calcium 1077mg 108%
Iron 4mg 22%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

4.8

12 reviews
Excellent

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