Cheesy Baked Zucchini Casserole

Thinly sliced zucchini layered with cheddar, Parmesan, and golden breadcrumbs — a simple yet flavorful side dish that’s crispy on top and tender inside.

Prep Time: 10 minutes
Cook Time: 25–30 minutes
Total Time: ~40 minutes
Servings: 4–6
Dietary: Vegetarian

Ingredients

For the zucchini base:

  • Zucchini – 3 medium, sliced

  • Garlic – 2 cloves, minced

  • Olive oil – 2 tbsp

  • Salt – to taste

  • Black pepper – to taste

For the cheesy topping:

  • Cheddar cheese – shredded (120 g)

  • Parmesan cheese – grated (50 g)

  • Breadcrumbs – (100 g)

Instructions

  1. Preheat the oven: Set to 190°C (375°F). Grease a baking dish with olive oil or non-stick spray.

  2. Season the zucchini: In a mixing bowl, toss zucchini slices with minced garlic, olive oil, salt, and black pepper.

  3. Assemble the dish: Spread zucchini evenly in the baking dish. Sprinkle with cheddar and Parmesan, then top with breadcrumbs.

  4. Bake: Cook for 25–30 minutes, until zucchini is tender and the topping is golden brown.

  5. Cool & serve: Let rest for a few minutes before serving warm.

Quick Notes & Pro Tips

  • Slice evenly: Uniform zucchini slices ensure even cooking.

  • Extra crispy: Broil for 1–2 minutes at the end for a deeper golden crust.

  • Cheese swap: Try mozzarella or Gruyère for a different flavor.

Why You’ll Love It

This casserole transforms simple zucchini into a cheesy, crunchy side dish that pairs beautifully with grilled meats, pasta, or roasted chicken. It’s quick, hearty, and a great way to use up summer zucchini.

Ingredient Details & Substitutions

  • Breadcrumbs: Use panko for a lighter, crunchier texture.

  • Cheese: Swap cheddar for a milder mozzarella or use sharp Parmesan only for a bolder taste.

  • Add-ins: Mix in chopped herbs like basil or thyme for freshness.

Variations & Serving Suggestions

  • Make it spicy: Add chili flakes or smoked paprika to the breadcrumb mix.

  • Add protein: Sprinkle cooked, crumbled bacon or sausage over the zucchini before baking.

  • Pair it: Serve alongside grilled chicken, steak, or pasta for a full meal.

Storage & Make-Ahead

  • Refrigerate: Store leftovers in an airtight container for up to 3 days.

  • Reheat: Warm in the oven at 180°C (350°F) for 10 minutes to keep the topping crisp.

  • Make-ahead: Assemble up to 12 hours ahead; bake just before serving.

FAQs

Q: Can I use yellow squash instead of zucchini?
A: Yes — or use a mix of both for color and flavor variety.

Q: Can I make this gluten-free?
A: Swap regular breadcrumbs for gluten-free panko.

Q: How do I prevent watery zucchini?
A: Salt slices and let them rest for 10 minutes, then pat dry before assembling.

Personal Note

This dish started as a way to use up garden zucchini, but it’s become a go-to side at family dinners. The cheesy, garlicky topping makes even picky eaters happy.

Leave a Comment