Introduction
Summer squash gratin is a delightful and flavorful dish that perfectly captures the essence of the summer season. This dish combines the freshness of summer squash with creamy, cheesy goodness, creating a comforting and satisfying meal for any occasion. Whether you are hosting a summer BBQ or looking for a cozy family dinner idea, this summer squash gratin recipe is sure to impress.
Throughout the summer, gardens and farmers’ markets are abundant with various types of summer squash, such as zucchini and yellow squash. This recipe is a fantastic way to make use of these vibrant and versatile vegetables, showcasing their natural flavors and textures in a deliciously baked dish.
With layers of tender squash, rich béchamel sauce, and a crispy golden topping, summer squash gratin offers a perfect balance of flavors and textures. Whether you are a seasoned cook or just starting your culinary journey, this recipe is easy to follow and yields impressive results that will have everyone coming back for seconds.
Join us as we explore the art of making a delectable summer squash gratin that will elevate your summer dining experience to a whole new level.

Ingredients
For this summer squash gratin recipe, you will need the following ingredients:
– 4 medium summer squash (mix of zucchini and yellow squash)
– 2 tablespoons olive oil
– 1 onion, finely chopped
– 2 cloves garlic, minced
– 2 tablespoons all-purpose flour
– 1 1/2 cups milk
– 1 cup grated Parmesan cheese
– Salt and pepper to taste
– Fresh herbs (such as thyme or oregano) for garnish
These simple yet flavorful ingredients come together to create a dish that celebrates the essence of summer produce.
Steps
1. Preheat the oven to 375°F (190°C) and grease a baking dish.
2. Slice the summer squash into thin rounds and set aside.
3. In a skillet, heat the olive oil over medium heat and sauté the onion until translucent.
4. Add the minced garlic and cook for another minute until fragrant.
5. Sprinkle the flour over the onion and garlic mixture, stirring continuously to form a roux.
6. Gradually pour in the milk, stirring constantly until the sauce thickens.
7. Remove the skillet from heat and stir in half of the grated Parmesan cheese. Season with salt and pepper.
8. Arrange a layer of summer squash rounds in the greased baking dish, then pour some of the sauce over the squash.
9. Repeat the layering process with the remaining squash and sauce, finishing with a layer of sauce on top.
10. Sprinkle the remaining Parmesan cheese over the top and bake in the preheated oven for 30-35 minutes, or until the gratin is golden and bubbly.
11. Garnish with fresh herbs before serving.
Variations
There are several ways to customize this summer squash gratin recipe to suit your taste preferences and dietary needs:
– Add a layer of thinly sliced tomatoes between the summer squash for extra freshness.
– Incorporate different types of cheese, such as Gruyère or cheddar, for a unique flavor profile.
– For a gluten-free version, substitute the all-purpose flour with a gluten-free alternative.
– Experiment with various herbs and spices to enhance the dish’s flavor, such as basil, rosemary, or red pepper flakes.
Feel free to get creative and make this recipe your own by adding your favorite ingredients and flavors.
Tips
Here are some helpful tips to ensure your summer squash gratin turns out perfectly every time:
– Slice the summer squash evenly to ensure even cooking and a uniform texture.
– Do not skip the step of sautéing the onion and garlic, as this adds depth of flavor to the dish.
– Let the gratin rest for a few minutes after baking to allow the flavors to meld together before serving.
– Serve the gratin as a side dish to grilled meats or as a vegetarian main course with a fresh salad on the side.
By following these tips, you can elevate your cooking skills and create a memorable dining experience with this summer squash gratin recipe.
Conclusion
Summer squash gratin is a versatile and delicious dish that celebrates the bounty of the summer season. With its layers of tender squash, creamy sauce, and crispy topping, this recipe is a crowd-pleaser that is sure to become a favorite in your culinary repertoire.
Whether you are looking for a comforting side dish or a satisfying vegetarian main course, this summer squash gratin delivers on both flavor and texture. The combination of fresh summer squash, savory cheese, and aromatic herbs creates a dish that is both elegant and homely, perfect for any occasion.
So, next time you find yourself with an abundance of summer squash, consider making this delightful gratin to impress your family and friends. With simple ingredients and easy steps, you can create a culinary masterpiece that captures the essence of summer in every bite.
FAQs
Q: Can I make this summer squash gratin ahead of time?
A: Yes, you can assemble the gratin ahead of time and refrigerate it until ready to bake. Simply cover the dish with foil and store it in the fridge for up to 24 hours before baking.
Q: Can I freeze leftovers of the summer squash gratin?
A: Yes, you can freeze any leftovers of the gratin by wrapping it tightly in plastic wrap and aluminum foil. Thaw in the fridge overnight before reheating in the oven.
Q: How can I make this dish more protein-rich?
A: To add more protein to the gratin, you can incorporate cooked chicken, turkey, or tofu between the layers of summer squash. This will not only boost the protein content but also add a new dimension of flavor to the dish.
Q: Can I use different types of summer squash in this recipe?
A: Yes, feel free to experiment with different varieties of summer squash, such as pattypan squash or cousa squash, to add variety and color to the gratin.

Summer Squash Gratin
Summer squash gratin is a delightful dish that captures the essence of the summer season with layers of tender squash, creamy béchamel sauce, and a crispy golden topping. It’s a comforting and satisfying meal perfect for any occasion.
Ingredients
-
4 medium summer squash (mix of zucchini and yellow squash)
-
2 tablespoons olive oil
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1 onion, finely chopped
-
2 cloves garlic, minced
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2 tablespoons all-purpose flour
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1 1/2 cups milk
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1 cup grated Parmesan cheese
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Salt and pepper to taste
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Fresh herbs (such as thyme or oregano) for garnish
Directions
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Preheat the oven to 375°F (190°C) and grease a baking dish.
-
Slice the summer squash into thin rounds and set aside.
-
In a skillet, heat the olive oil over medium heat and sauté the onion until translucent.
-
Add the minced garlic and cook for another minute until fragrant.
-
Sprinkle the flour over the onion and garlic mixture, stirring continuously to form a roux.
-
Gradually pour in the milk, stirring constantly until the sauce thickens.
-
Remove the skillet from heat and stir in half of the grated Parmesan cheese. Season with salt and pepper.
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Arrange a layer of summer squash rounds in the greased baking dish, then pour some of the sauce over the squash.
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Repeat the layering process with the remaining squash and sauce, finishing with a layer of sauce on top.
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Sprinkle the remaining Parmesan cheese over the top and bake in the preheated oven for 30-35 minutes, or until the gratin is golden and bubbly.
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Garnish with fresh herbs before serving.