This Zesty Summer Squash Casserole is a perfect dish to showcase vibrant seasonal produce. With tangy lemon, fresh basil, and a crispy topping, it’s a refreshing take on a classic comfort food that celebrates summer's bounty.
Summer squash brings a mild, slightly nutty flavor and tender texture, perfect for soaking up the dressing. Cherry tomatoes add a burst of sweetness and juiciness, balancing the dish's flavors. Red onion provides a bit of bite and depth, complementing the other vegetables. Parmesan cheese contributes a savory, umami kick, crucial for the topping. Breadcrumbs create a crispy texture that contrasts beautifully with the tender vegetables. Fresh basil infuses a delightful aroma and herby note, elevating the dish. Olive oil is the base for our flavorful dressing, helping to roast the vegetables to perfection. Garlic adds a subtle, aromatic punch. Lemon zest and juice introduce a zesty, bright flavor that ties everything together. Finally, salt and pepper are essential for seasoning and bringing out the ingredients' natural flavors.
This casserole pairs wonderfully with grilled chicken or fish for a balanced meal. For a vegetarian feast, serve alongside a hearty quinoa salad or crusty bread. It’s equally delicious as a standalone lunch or light dinner, perhaps with a crisp green salad on the side.
First, get your oven preheated to 375°F (190°C). While it's warming up, grab a baking dish and give it a quick spray with some non-stick cooking spray to prevent sticking later on. Now, onto the veggies. Slice up about two pounds of summer squash and toss them into a large mixing bowl. Halve a cup of cherry tomatoes and slice half a cup of red onion, adding them to the party in the bowl.
In a smaller bowl, whisk together a quarter cup of olive oil with two cloves of minced garlic for that aromatic base. Add the zest and juice from one lemon — this step is key to infusing that zesty flavor throughout the dish. Season with salt and pepper to your liking. Pour this vibrant dressing over your vegetable mix, ensuring everything gets a good coating. Toss in a quarter cup of chopped fresh basil and mix gently to combine.
Transfer your dressed vegetables into the prepared baking dish, spreading them out into an even layer. In another bowl, combine half a cup of breadcrumbs with half a cup of grated Parmesan cheese. Sprinkle this mixture evenly over the vegetables, forming that irresistible golden crust.
Pop the dish into your preheated oven. Bake for about 25 to 30 minutes — you'll know it's ready when the top is golden brown and the vegetables are tender. Once done, take it out and let it cool for a few minutes before serving. This resting time helps the flavors meld perfectly.
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