
Zucchini casserole
WHAT YOU WILL NEED
From ingredients
8 products
Vegetables
Cheese topping
Grease
SIMPLE PROCESS
Step by step recipe
The secret to this casserole is preparing the zucchini correctly. Grate them coarsely so they release moisture but don't dry out the dish. Slice the chicken breast into thin strips so it cooks quickly. Let the mixture rest in the fridge for 30 minutes – the zucchini releases juice that flavours the chicken and makes the casserole moist. Bake at 180°C (350°F) for exactly 40 minutes, and in the last 5 minutes you can increase the temperature to brown the cheese.

Grate the zucchini
Coarsely grate 1 kg (about 2.2 lb) of zucchini into a large bowl. If they release a lot of liquid, gently squeeze out some of it.

Mix with other ingredients
Add 2 large eggs (110 g), sour cream (30 g / 2 tbsp), and vegetable oil (10 g / 1 tbsp) to the zucchini. Mix well.

Slice and add the chicken
Cut 300 g (10.6 oz) of chicken breast into thin strips. Add to the zucchini mixture, season with salt (2 g / ½ tsp) and spices (2 g / ½ tsp). Mix thoroughly and refrigerate for 30 minutes.

Prep the baking dish and preheat the oven
Preheat the oven to 180°C (350°F). Grease a baking dish with a little vegetable oil or line it with parchment paper.

Transfer the mixture and top with cheese
Remove the mixture from the fridge, pour it into the dish, and spread evenly. Sprinkle 200 g (7 oz) of grated Dutch cheese over the top.

Bake until golden
Bake for 40 minutes until the top is golden and bubbly. Let it rest for 5–10 minutes before slicing and serving.
CHEF'S TIP
Choose young zucchini
Young zucchini with thin skin and soft seeds don't need peeling – they give a more tender texture. If using older ones, peel and remove the seeds.
Don't overcook the chicken
Slice the chicken breast thinly and stick to the 40-minute baking time to keep it moist and tender.
Rest the mixture before baking
Chill the zucchini-chicken mixture for 30 minutes – the zucchini releases juices that soak into the meat, making the casserole extra succulent.
Cheese for a golden crust
Use a good melting cheese like Dutch, Gouda, or mozzarella. Grate it coarsely and spread evenly over the top.
SUBSTITUTIONS
Add your taste
- Chicken breast → turkey or ground chicken Use turkey fillet for a similar lean protein, or substitute with ground chicken (mix it directly into the zucchini).
- Sour cream → Greek yogurt For a lighter version, replace sour cream with Greek yogurt – it cuts calories while keeping the dish moist.
- Dutch cheese → any hard cheese Edam, Cheddar, or Parmesan work well – as long as it melts nicely and forms a golden crust.
- Egg-free (vegan) Replace eggs with 2 tbsp flax meal + 6 tbsp water, and use plant-based sour cream. The casserole will hold together but be slightly crumbly.
HOW TO STORE
How to Store Zucchini Casserole
Cool the casserole to room temperature, cover with foil or transfer to an airtight container, and refrigerate for up to 3 days. Reheat in the oven at 160°C (320°F) for 10–12 minutes or in the microwave. Freeze individual portions for up to 1 month – thaw in the fridge and reheat in the oven.
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