Winter Squash Gratin Recipe

Name: Winter Squash Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons extra virgin olive oil; 2 large onions, thinly sliced; 6 garlic cloves, minced (1 tablespoon minced); 1 tablespoon sage, chopped; 2 teaspoons thyme, chopped; 1/4 teaspoon kosher salt; 1/4 teaspoon black pepper, freshly ground; 2 lbs butternut squash, peeled, halved lengthwise, seeded and cut crosswise into 1/4 inch slices; 1 1/2 cups whole wheat bread crumbs (about 2 slices); 1 tablespoon parsley, chopped; 3/4 cup part-skim mozzarella cheese, shredded; 1/4 cup parmesan cheese, finely shredded

Servings: persons

2 tablespoons extra virgin olive oil
2 large onions, thinly sliced
6 garlic cloves, minced (1 tablespoon minced)
1 tablespoon sage, chopped
2 teaspoons thyme, chopped
1/4 teaspoon kosher salt
1/4 teaspoon black pepper, freshly ground
2 lbs butternut squash, peeled, halved lengthwise, seeded and cut crosswise into 1/4 inch slices
1 1/2 cups whole wheat bread crumbs (about 2 slices)
1 tablespoon parsley, chopped
3/4 cup part-skim mozzarella cheese, shredded
1/4 cup parmesan cheese, finely shredded

1
Preheat oven to 350u00b0F
2
Lightly coat a 2 quart square baking dish with nonstick cooking spray; set aside.
3
In a large skillet, heat 1 tablespoon of the olive oil over medium heat.
4
Add onions and garlic; cook about 6 minutes or until tender, stirring occasionally.
5
Remove from heat.
6
Stir in sage, thyme, kosher salt, and pepper.
7
Place half of the squash slices in the prepared dish.
8
Sprinkle with the onion mixture and half of the bread crumbs.
9
Top with remaining squash slices.
10
Cover with foil.
11
Bake about 45 minutes or until squash is nearly tender.
12
Meanwhile, in a small bowl, combine the remaining bread crumbs, the remaining 1 tablespoon olive oil, and the parsley.
13
Mix well and set aside.
14
Remove foil from baking dish; sprinkle squash with mozzarella cheese, Parmesan cheese and bread crumb mixture.
15
Bake, uncovered for 10 to 15 minutes or until crumbs are golden brown and squash is tender.
16
Let stand for 10 minutes before serving.

2026

kcal

Calories

197

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 12 ingredients. The key ingredients include: 2 tablespoons extra virgin olive oil, 2 large onions, thinly sliced, 6 garlic cloves, minced (1 tablespoon minced), 1 tablespoon sage, chopped, and more.

Yes, Winter Squash Gratin falls under the General category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Winter Squash Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions