Hearty Friendsgiving Zucchini Gratin with Crispy Topping

Featured in Zucchini Mains.

Hearty Friendsgiving Zucchini Gratin recipe to share with loved ones. Creamy, cheesy, and topped with crunchy breadcrumbs. Perfect for your next gathering!
Clara Rodriguez - Recipe Author
Updated on Thu Jan 08 2026 at 02:50 AM
Hearty Friendsgiving Zucchini Gratin with Crispy Topping - Featured Image Pin it
Hearty Friendsgiving Zucchini Gratin with Crispy Topping | Natura Recipes

Honestly, Friendsgiving is my favorite. It’s less pressure than the big holiday, just good food and even better company. One year, I was totally stumped on a side dish. Everything felt too traditional, too heavy. Then, I remembered a gratin recipe my grandma used to make, but I wanted something fresh. So, I experimented with zucchini, hoping for a lighter, yet still comforting, vibe. The kitchen was a glorious mess, flour dusting everything, but when this hearty Friendsgiving zucchini Gratin came out of the oven, smelling cheesy and herby, I knew I’d found a winner. It just felt right, like a warm hug for all my favorite people.

I still laugh thinking about the first time I made this. I was so proud of my perfectly sliced zucchini, then I totally forgot to salt it, and the gratin came out a little watery. Oops! But a quick drain and a mental note for next time fixed it. Another time, I almost burned the breadcrumbs because I was too busy chatting. That’s the beauty of Friendsgiving, though a little kitchen chaos just adds to the story, right?

Ingredients

  • Fresh Zucchini: This is the star! I like to use medium-sized ones, about 2 pounds. Don't go too thin with your slices, or they'll disappear, aim for about 1/4-inch thick.
  • Heavy Cream: Honestly, don't skimp here. This is what gives our Hearty Friendsgiving Zucchini Gratin its luxurious, rich texture. I tried half-and-half once, and it worked, kinda, but wasn't nearly as decadent.
  • Chicken or Vegetable Broth: Adds a savory depth without being too heavy. I always have a good quality one on hand, it just makes a difference, you know?
  • Butter & All-Purpose Flour: These two create the magical roux that thickens our sauce. I once got distracted and browned the butter a little too much it was still tasty, but definitely a 'whoops' moment!
  • Garlic & Onion: The aromatic backbone! I'm a garlic fiend, so I usually add an extra clove or two. Fresh is always, always best here, dried just can't compare.
  • Gruyere & Parmesan Cheese: This combo is chef's kiss. Gruyere melts beautifully and adds a nutty, earthy flavor, while Parmesan brings that salty, sharp punch. I shredded a block of Parmesan once, and my kitchen smelled like pure joy.
  • Panko Breadcrumbs: For that essential crispy topping! Panko gets so much crunchier than regular breadcrumbs, I swear by it. Drizzle with a little olive oil before baking for extra golden goodness.
  • Fresh Thyme & Nutmeg: Thyme adds a subtle, earthy herbiness, and a tiny pinch of nutmeg in cheesy sauces is my secret weapon it just elevates everything.

Instructions

Prep Your Zucchini:
First things first, let’s get those zucchinis ready! Wash them well, then slice them into even 1/4-inch thick rounds. I usually use a mandoline if I’m feeling fancy and want super uniform slices, but a sharp knife works just fine too. Lay them out on a few layers of paper towels, sprinkle with a generous pinch of salt, and let them sit for about 15-20 minutes. This draws out excess water, which is crucial for preventing a watery gratin. Trust me, I learned this the hard way after a very soupy first attempt!
Sauté Aromatics:
While the zucchini is doing its thing, grab a large, oven-safe skillet or a Dutch oven. Melt the butter over medium heat, then toss in your diced onion. Let it soften for about 5 minutes, until it's translucent and smells sweet. Then, add the minced garlic and cook for another minute until fragrant. Don't let it brown, or it'll taste bitter I’ve done that, and it's a sad moment when your garlic turns from golden to gone. This is the base for our flavorful Hearty Friendsgiving Zucchini Gratin sauce!
Make the Cream Sauce:
Now for the magic! Sprinkle the flour over your softened onions and garlic, stirring constantly for about 1-2 minutes to cook out the raw flour taste. This is your roux, hon! Slowly, and I mean slowly, whisk in the chicken or vegetable broth, then the heavy cream, making sure there are no lumps. Bring it to a gentle simmer, stirring until it thickens slightly. It should coat the back of a spoon. Add the fresh thyme, a pinch of nutmeg, salt, and pepper here. Taste and adjust this is where you make it yours!
Stir in the Cheese:
Once the sauce is thick and bubbly, take it off the heat. Stir in about two-thirds of your shredded Gruyere and Parmesan cheese until it's completely melted and smooth. This is where the sauce for your Hearty Friendsgiving Zucchini Gratin truly comes alive! The aroma is just incredible, making your kitchen smell like a fancy bistro. Make sure to stir well to avoid any cheesy clumps, we want pure, creamy bliss.
Assemble the Gratin:
Drain any excess water from your salted zucchini slices, patting them dry. Layer half of the zucchini slices in the bottom of your skillet or a 9x13 inch baking dish if you transferred the sauce. Pour half of the creamy cheese sauce over the zucchini, spreading it evenly. Repeat with the remaining zucchini and sauce. This layering ensures every bite of your Hearty Friendsgiving Zucchini Gratin is packed with flavor and creaminess. Sometimes I get a little messy here, but it’s all part of the home cooking charm!
Top and Bake:
In a small bowl, combine the panko breadcrumbs with a tablespoon of olive oil and the remaining shredded Parmesan cheese. Sprinkle this mixture evenly over the top of the gratin. Bake in a preheated oven at 375°F (190°C) for 30-35 minutes, or until the Hearty Friendsgiving Zucchini Gratin is bubbly around the edges and the topping is golden brown and crispy. Let it rest for 5-10 minutes before serving it’s worth the wait, I promise!

Making this gratin always brings a smile to my face. It reminds me of those lovely Friendsgiving dinners, the clinking of glasses, and the easy laughter. There was one time I forgot to preheat the oven and had to stall everyone with extra appetizers total kitchen chaos, but it all worked out! This Hearty Friendsgiving Zucchini Gratin is just pure joy.

Storage Tips

Okay, so storing this Hearty Friendsgiving Zucchini Gratin is pretty straightforward, but I’ve learned a few things. Leftovers, if you even have any, will keep beautifully in an airtight container in the fridge for up to 3-4 days. When reheating, I find the best way is in the oven at 300°F (150°C) for about 15-20 minutes, covered with foil, until warmed through. The microwave works in a pinch, but honestly, the sauce can separate a little and the topping loses some of its crispness so don't do that lol, if you can avoid it. If you want to prep ahead, you can assemble the gratin (without the breadcrumb topping) and refrigerate for up to 24 hours. Add the topping right before baking. It freezes okay too, but the zucchini texture can be a bit softer upon thawing.

Hearty Friendsgiving Zucchini Gratin with Crispy Topping - Image 1Pin it
Hearty Friendsgiving Zucchini Gratin with Crispy Topping - Image 1 | Natura Recipes

Ingredient Substitutions

I’m all about experimenting in the kitchen, and this Hearty Friendsgiving Zucchini Gratin is pretty forgiving! If Gruyere isn't your jam or you can't find it, Swiss cheese or even a sharp white cheddar works wonderfully for that melty, nutty flavor. I tried a mix of fontina and provolone once, and it worked... kinda, it was delicious but had a slightly different texture. For the breadcrumbs, if you don't have panko, regular breadcrumbs are fine, but you won't get quite the same level of crunch. You could also try crushed Ritz crackers for a buttery, salty twist. For the herbs, fresh rosemary or sage would be lovely if you don't have thyme, especially for a more autumnal feel. Just use a little less, as they can be stronger. I’ve even thrown in some leftover cooked chicken for a main dish vibe!

Serving Suggestions

This Hearty Friendsgiving Zucchini Gratin is truly a versatile dish. It’s obviously perfect as a side for your Friendsgiving turkey or roast chicken, but it also shines on its own for a lighter meal. I love serving it alongside a crisp green salad with a bright vinaigrette to cut through the richness. A simple crusty baguette for dipping into any leftover creamy sauce is a must! As for drinks, a crisp white wine like a Sauvignon Blanc or even a light-bodied red like a Pinot Noir pairs beautifully. For a cozy night in, this dish and a good movie? Yes please. It's the kind of food that just makes you want to gather around the table and linger.

Cultural Backstory

Gratins, in general, have a rich history, particularly in French cuisine, where 'gratin' refers to the crust formed on top of a dish when baked or broiled. The most famous is probably Gratin Dauphinois, made with thinly sliced potatoes and cream. My Hearty Friendsgiving Zucchini Gratin is a nod to that comforting tradition, but with a fresh, seasonal twist using zucchini. It’s a dish that embodies warmth and sharing, much like the spirit of Friendsgiving itself. For me, adapting these classic recipes with a personal touch is how I connect to culinary history, making it my own while honoring the roots. It’s a dish that feels both timeless and perfectly suited for modern gatherings.

So there you have it, my Hearty Friendsgiving Zucchini Gratin. It’s not just a dish, it’s a memory-maker, a conversation starter, and a true testament to the joy of cooking for the people you love. I hope it brings as much warmth and happiness to your table as it does to mine. Don't be afraid to make it your own, and please, tell me all about your kitchen adventures with this one!

Hearty Friendsgiving Zucchini Gratin with Crispy Topping - Image 2Pin it
Hearty Friendsgiving Zucchini Gratin with Crispy Topping - Image 2 | Natura Recipes

Frequently Asked Questions

→ How do I make my Hearty Friendsgiving Zucchini Gratin extra creamy?

For an even creamier gratin, you can add a tablespoon of cream cheese to your sauce along with the other cheeses. I tried it once, and it gave it an unbelievably rich texture, though it was almost too decadent for me!

→ Can I use other vegetables in this gratin?

Absolutely! I've swapped half the zucchini for thinly sliced potatoes or even some blanched broccoli florets. It totally changes the vibe, but it works! Just make sure denser veggies are par-cooked.

→ My gratin topping isn't getting crispy. What am I doing wrong?

Oh, that's happened to me too! Make sure your oven is fully preheated and don't skip tossing the panko with olive oil. If it's still not browning, a quick minute or two under the broiler will do the trick, but watch it like a hawk!

→ Can I prepare this Hearty Friendsgiving Zucchini Gratin ahead of time?

Yes, you can! Assemble the gratin without the breadcrumb topping, cover it tightly, and refrigerate for up to 24 hours. Add the topping just before baking. It's a lifesaver for busy Friendsgiving prep!

→ What if I don't have Gruyere cheese?

No worries at all! A good quality Swiss cheese, Emmental, or even a sharp white cheddar would be excellent substitutes. I once used a smoked gouda, and it gave the gratin a wonderfully unique, smoky flavor.

Hearty Friendsgiving Zucchini Gratin with Crispy Topping

Hearty Friendsgiving Zucchini Gratin recipe to share with loved ones. Creamy, cheesy, and topped with crunchy breadcrumbs. Perfect for your next gathering!

4.2 out of 5
(33 reviews)
Prep Time
25 Minutes
Cook Time
40 Minutes
Total Time
1 Hour 5 Minutes

Category: Zucchini Mains

Difficulty: Intermediate

Cuisine: American

Yield: 8 Servings

Dietary: Vegetarian

Published: Sun Dec 14 2025 at 08:26 PM

Last Updated: Thu Jan 08 2026 at 02:50 AM

Start Cooking
Cooking Mode Active - Screen Won't Sleep

Ingredients

→ Main Ingredients

01 2 lbs fresh zucchini, thinly sliced (about 1/4-inch thick)
02 3 tablespoons unsalted butter
03 1 small yellow onion, finely diced
04 3 cloves garlic, minced
05 3 tablespoons all-purpose flour
06 1 cup chicken or vegetable broth
07 1 cup heavy cream

→ Flavor Boosters

08 1 teaspoon fresh thyme leaves, chopped
09 Pinch of ground nutmeg
10 1 cup shredded Gruyere cheese (about 4 oz), divided
11 1/2 cup shredded Parmesan cheese (about 2 oz), divided
12 Salt and freshly ground black pepper to taste

→ Crispy Topping

13 1/2 cup panko breadcrumbs
14 1 tablespoon olive oil

→ Optional Extras

15 Fresh parsley, chopped, for garnish

Instructions

Step 01

First things first, let’s get those zucchinis ready! Wash them well, then slice them into even 1/4-inch thick rounds. I usually use a mandoline if I’m feeling fancy and want super uniform slices, but a sharp knife works just fine too. Lay them out on a few layers of paper towels, sprinkle with a generous pinch of salt, and let them sit for about 15-20 minutes. This draws out excess water, which is crucial for preventing a watery gratin. Trust me, I learned this the hard way after a very soupy first attempt!

Step 02

While the zucchini is doing its thing, grab a large, oven-safe skillet or a Dutch oven. Melt the butter over medium heat, then toss in your diced onion. Let it soften for about 5 minutes, until it's translucent and smells sweet. Then, add the minced garlic and cook for another minute until fragrant. Don't let it brown, or it'll taste bitter - I’ve done that, and it's a sad moment when your garlic turns from golden to gone. This is the base for our flavorful Hearty Friendsgiving Zucchini Gratin sauce!

Step 03

Now for the magic! Sprinkle the flour over your softened onions and garlic, stirring constantly for about 1-2 minutes to cook out the raw flour taste. This is your roux, hon! Slowly, and I mean slowly, whisk in the chicken or vegetable broth, then the heavy cream, making sure there are no lumps. Bring it to a gentle simmer, stirring until it thickens slightly. It should coat the back of a spoon. Add the fresh thyme, a pinch of nutmeg, salt, and pepper here. Taste and adjust - this is where you make it yours!

Step 04

Once the sauce is thick and bubbly, take it off the heat. Stir in about two-thirds of your shredded Gruyere and Parmesan cheese until it's completely melted and smooth. This is where the sauce for your Hearty Friendsgiving Zucchini Gratin truly comes alive! The aroma is just incredible, making your kitchen smell like a fancy bistro. Make sure to stir well to avoid any cheesy clumps, we want pure, creamy bliss.

Step 05

Drain any excess water from your salted zucchini slices, patting them dry. Layer half of the zucchini slices in the bottom of your skillet or a 9x13 inch baking dish if you transferred the sauce. Pour half of the creamy cheese sauce over the zucchini, spreading it evenly. Repeat with the remaining zucchini and sauce. This layering ensures every bite of your Hearty Friendsgiving Zucchini Gratin is packed with flavor and creaminess. Sometimes I get a little messy here, but it’s all part of the home cooking charm!

Step 06

In a small bowl, combine the panko breadcrumbs with a tablespoon of olive oil and the remaining shredded Parmesan cheese. Sprinkle this mixture evenly over the top of the gratin. Bake in a preheated oven at 375°F (190°C) for 30-35 minutes, or until the Hearty Friendsgiving Zucchini Gratin is bubbly around the edges and the topping is golden brown and crispy. Let it rest for 5-10 minutes before serving - it’s worth the wait, I promise!

Notes

  1. Always salt your zucchini and let it sit before baking, it prevents a watery gratin.
  2. For a truly golden, crispy topping, don't skip tossing the panko with olive oil.
  3. This gratin tastes even better the next day, so it's a fantastic make-ahead option.
  4. If you're short on time, you can prep the sauce a day in advance.

Tools You'll Need

  • Large oven-safe skillet or 9x13 inch baking dish
  • mandoline (optional)
  • whisk
  • cutting board
  • sharp knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Gluten

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 350
  • Total Fat: 25g
  • Total Carbohydrate: 18g
  • Protein: 12g

Reviews & Comments

Required fields are marked *