Best way to make Summer Squash Gratin – 5 easy steps

A Summer Squash Gratin is a rich, decadent dish that features layers of green and yellow squash. Finished with panko and Parmesan, it’s a wonderful way to use up a bumper zucchini crop. The first step is to cook the squash until it is very tender. Next, mix the butter and panko mixture. Once this is done, add the cheeses and continue baking. The dish should be ready to serve after 35 to 40 minutes.

Is squash good for you?

I mean duh… its a vegetable… its good… but HOW good?
Lets google, shall we?
(I haven’t told you I am an excellent googler.)“Squash has a reputation for fiber. Eating squash is particularly satisfying, because the bulk fills you up, allowing you to forgo second helpings.” Source

Ohhh I like the sound of that.


“It is a good source of vitamins A and C; it also contains calcium and iron. It has very low calories, ideal to be a component in the diet plan. The skin and rind of summer squash are also rich in the nutrient beta-carotene, but the fleshy portion of this vegetable is not. To gain the full nutritional benefits of this vegetable, the skins or rinds must be eaten.” Source

I had some beautiful zucchini, golden zucchini, and 8 ball squash on hand but this could be made with any variation of squashes. I also added fresh spinach, roasted tomato slices and some aged cheddar. This is the perfect summer side dish. Very light but flavorful, and you already know its OK to go back for seconds! 

Summer Squash Gratin with Roasted Tomatoes and Spinach

A summer squash gratin is a creamy, delicious dish that is like a thick chowder. A flavorful cheese sauce covers the summer squash while the cheese flakes melt into the vegetable. The topping is a sprinkling of cheddar and breadcrumbs. This dish is best served after 15 minutes to let the squash release its water. If you want a cheesy gratin, prepare the ingredients ahead of time.
Prep Time 15 mins
Cook Time 7 mins
Total Time 22 mins
Course Main Course
Cuisine American
Servings 12 servings
Calories 377 kcal


  • preheat oven to 400 degrees
  • Slice tomatoes in thick slices (5 - 6 slices per tomato). Place tomato slices on a rack on top of a sheet tray. Sprinkle with salt, pepper and EVOO. Roast for 45 minutes.
  • Using a mandolin (or an extremely steady hand) thinly slice the zucchini and squash.
  • Using an 11 x 13 casserole dish, layer zucchini and squash. On top of that layer add slices of tomatoes and spinach. Sprinkle 1/3 of the cheese, rosemary, salt and pepper on top and repeat this 3 times.
  • Bake for 45 minutes or until spinach is cooked and cheese is browned and crispy on top.



A summer squash gratin is a great dish to make with a glut of summer squash. It is like a thick chowder that is made with a flavorful cheese sauce. A delicious topping of cheese and breadcrumbs makes this dish more than a simple side dish. A tasty and nutritious meal, this summer veggie gratin recipe is an easy way to enjoy the season's abundance of summer vegetables.
Keyword suqash gratin

Tips and Tricks

Zucchini Tomato Gratin | Karen's Kitchen Stories

Next, slice the summer squash and yellow squash into thin slices. Peel and cut potatoes into paper-thin slices. Combine all the ingredients in a bowl and season them with salt and pepper. Sprinkle with cheese, then top with the other half. Pour the cream over the vegetables. Cover the dish with aluminum foil and bake it for 25 minutes. Then, sprinkle with the remaining cheese. When done, serve warm with a side of grilled chicken, and eat!

This gratin dish is a wonderful side dish for a barbecue, or for a family dinner. The savory, garlicky gratin will be the star of any meal. The best part is that it comes together quickly and will make a delicious main dish or vegetarian side dish. It reheats well, which makes it a great option to bring to a summer potluck. It’s also a quick and easy way to use up leftover vegetables.

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A Summer Squash Gratin recipe is a great dish for a barbecue or as a vegetarian main dish. It can be paired with meat or a salad or served alone as a meal. The vegetables are very versatile and can be used in so many ways. This summer side dish is also easy to transport and reheats well, so it’s an excellent dish to take to a potluck.

Summer Squash Gratin Recipe - NYT Cooking

Summer squash gratin is a traditional fall dish and is a delicious way to enjoy the abundance of summer squash. The cheese sauce is similar to that of mac and cheese, but the flavor of this dish is fresher and more pronounced. The gratin is a perfect comfort food recipe and is the perfect way to celebrate the summer harvest. It can be enjoyed year-round, and it’s also great to make for the holidays.

In a gratin, the summer squash is layered with a flavorful cheese sauce. This dish is the perfect side dish for summer. It can be accompanied by any type of meat, or you can serve it as a vegetarian meal for four. It also reheats well and is an excellent dish to take to a potluck. It can also be used as a side dish for a barbecue.

To prepare this dish, slice summer and yellow squash to the desired thickness. After slicing the summer squash, add a few teaspoons of salt and pepper to taste. This is the key to the ultimate comfort food. A simple dish like this is perfect for summer and autumn. It makes the whole family happy. Aside from the delicious taste of the summer squash, this dish is also a wonderful side dish for a barbecue or a backyard barbeque.

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A summer squash gratin is the perfect way to enjoy this nutritious and delicious dish. This delicious and nutritious dish is a perfect addition to any meal. The gratin is low in calories and low in glycemic index. It is also packed with potassium and vitamin A. Its rich taste goes well with any meal. So, make a delicious summer squash gratin today. a.