Roasted yellow squash layered with creamy Parmesan, fresh herbs, and a crunchy almond topping. A flavorful, cozy, and elegant casserole.
Yellow squash is often overlooked in the vegetable world, but when prepared thoughtfully, it can shine in a dish that’s both comforting and elegant. This Golden Herb & Parmesan Yellow Squash Casserole with Crispy Almond Topping elevates humble squash into a star ingredient, combining sweetness, creaminess, and crunch in every bite.
The key to this casserole is roasting the squash and onions first. Roasting intensifies the natural sweetness of the squash while caramelizing the onions, creating a depth of flavor that makes the dish feel rich without being heavy. A simple mixture of Greek yogurt, Parmesan, and egg binds the roasted vegetables together, adding a creamy tang that complements the bright, herby notes of fresh thyme and rosemary. This layer creates a luscious base that’s satisfying and flavorful while still letting the squash shine.
What sets this casserole apart is the crispy almond topping. Sliced almonds mixed with breadcrumbs and a touch of olive oil form a golden, crunchy layer on top that contrasts beautifully with the tender, creamy squash beneath. It’s the kind of texture that makes every bite interesting, keeping the dish from feeling one-dimensional. The added Parmesan in the topping adds a savory, nutty depth that pulls everything together.
This casserole is versatile, too. It works as a side dish for a weeknight dinner, a holiday table addition, or even as a vegetarian main when paired with a simple salad or grain. The fresh herbs and roasted flavors make it feel special enough for entertaining, while the straightforward preparation keeps it approachable.
It’s also visually stunning. The golden squash, caramelized onions, and toasted almond topping create layers of color and texture that make the dish look as good as it tastes. Even simple comfort food can feel elevated when treated with care and attention to flavor, and this casserole is a perfect example.
If you’re looking for a way to bring yellow squash to the forefront of your cooking, this casserole is your answer. It’s cozy, flavorful, and beautifully balanced—a dish that will satisfy both your taste buds and your eyes.
Golden Herb & Parmesan Yellow Squash Casserole with Crispy Almond Topping
Roasted yellow squash layered with creamy Parmesan, fresh herbs, and a crunchy almond topping. A flavorful, cozy, and elegant casserole.
Ingredients
For the casserole
- 4 medium yellow squash, sliced into ½-inch rounds
- 1 medium onion, thinly sliced
- 2 cloves garlic, minced
- 2 tablespoon olive oil
- Salt and pepper, to taste
- 1 teaspoon fresh thyme leaves
- 1 teaspoon fresh rosemary, chopped
- ½ cup grated Parmesan
- ½ cup Greek yogurt or sour cream
- 1 large egg
- 1 tablespoon flour
For the topping
- ¼ cup sliced almonds
- 2 tablespoon breadcrumbs
- 1 tablespoon olive oil
- 2 tablespoon grated Parmesan
Instructions
- Preheat oven to 400°F (200°C).
- Toss yellow squash slices with olive oil, salt, pepper, thyme, and rosemary.
- Spread squash and sliced onion on a baking sheet and roast for 15–20 minutes until slightly tender and caramelized.
- While squash is roasting, whisk together Greek yogurt, egg, minced garlic, flour, and Parmesan in a small bowl.
- Reduce oven temperature to 375°F (190°C).
- In a greased 9x9-inch baking dish, layer roasted squash and onions evenly.
- Pour yogurt-Parmesan mixture over the squash and gently stir to combine.
- In a small bowl, mix sliced almonds, breadcrumbs, olive oil, and Parmesan for the topping.
- Sprinkle the almond mixture evenly over the casserole.
- Bake for 20–25 minutes, until the topping is golden brown and the casserole is bubbly.
- Let cool 5 minutes before serving.