Easy Zucchini Casserole Recipe (2024)

Published: · Modified: by Helene Dsouza

Easy Zucchini Casserole Recipe (1)Helene Dsouza

Easy Zucchini Casserole Recipe - Garden Fresh Zucchini au gratin bake is a french vegetarian dinner idea. Quick and easy to prepare!

Total Time: 40 minutes minutes

Prep Time: 10 minutes minutes

Cook Time: 30 minutes minutes

3 servings

4.6 from 74 votes

VIDEO RECIPE

Easy Zucchini Casserole Recipe (2)

Easy garden-fresh Zucchini Casserole recipe to celebrate the summer zucchini season.

Easy Zucchini Casserole Recipe (3)

Easy Zucchini Casserole Recipe (4)

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Jump to:
  • 📕 What is this casserole?
  • 💡 Choice of zucchini
  • 🔪 How to make it?
  • 📖 Recipe
  • 👁️ More zucchini dinners
  • 💬 Comments

📕 What is this casserole?

I adapted this baked zucchini cheese casserole recipe from my aunt, who prepares a similar variation with fresh cream the southern french way.

So this is a very French zucchini dinner recipe!

This delicious lighter summer meal is also known as zucchini au gratin, as it is baked golden brown to perfection.

The Zucchini is baked soft in one dish and doesn't need pre-cooking, turn this recipe into a quick and easy sauteed zucchini recipe

You will love this healthy zucchini casserole with cheese if you are looking for a lighter gluten-free and low-carb vegetarian meal.

Another idea is to add meat to your dish, such as in this Keto Zucchini Casserole with ground beef.

Easy Zucchini Casserole Recipe (5)

💡 Choice of zucchini

You can pick medium-sized (8 inch/20 centimeters), large and epic monster large Zucchinis.

The size doesn't matter so much.

Store-bought Zucchini come in small and medium sizes, whereas homegrown Zucchini has a reputation for growing into massive vegetables.

The large ones tend to be less flavorful than the smaller ones, but homegrown Zucchini are usually anyway tastier (or so I believe).

You only need to cut out the spongy core in the large Zucchinis and you are good to go.

Try this recipe too with other Zucchini varieties, such as yellow Zucchini or round Zucchini.

Easy Zucchini Casserole Recipe (6)

Frozen Zucchini

If you have a whole frozen Zucchini, you can leave the vegetable to defrost in the fridge.

If you are rushing, place the zucchini to thaw in a closed bag and submerge into warm water.

Carefully press out any excess water or else the Zucchini gratin will turn out soggy.

To avoid sogginess, you can also add 1 Tablespoon of cornflour to the batter mixed in.

The cornflour will bind excess liquids and the gratin will turn out the best!

Easy Zucchini Casserole Recipe (7)

🔪 How to make it?

This is an easy zucchini casserole meal that comes together fairly quickly, too.

The zucchini slices will cook through in the casserole dish, making this a one-pan dish.

Follow the steps to prepare your own zucchini cheese bake from scratch.

Step 1

Cut out the center of your Zucchini if it's consistency is spongy.

Cut your Zucchini into slices and arrange in the casserole dish.

Easy Zucchini Casserole Recipe (8)

Step 2

In a mixing bowl combine the cream, egg, cheese and the seasoning.

Easy Zucchini Casserole Recipe (9)

Step 3

Pour the cheesy cream mixture over the zucchini in the casserole and drizzle with olive oil.

Easy Zucchini Casserole Recipe (10)

Bake golden brown.

See all detailed instructions and ingredients listed in the recipe card further below.

Easy Zucchini Casserole Recipe (11)

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📖 Recipe

Easy Zucchini Casserole Recipe (12)

Easy Zucchini Casserole Recipe

Easy Zucchini Casserole Recipe - Garden Fresh Zucchini au gratin bake is a french vegetarian dinner idea. Quick and easy to prepare!

4.56 from 74 votes

Print Pin Rate

Course: Main Course

Cuisine: French

Diet: Vegetarian

Prep Time: 10 minutes minutes

Cook Time: 30 minutes minutes

Total Time: 40 minutes minutes

Servings: 3 servings

Calories: 522kcal

Recipe by: Helene Dsouza

Ingredients

US - Metric

Instructions

  • Rinse your zucchini well to get rid of impurities. Cut your zucchini lengthwise and cut out the spongy seed core.

  • Slice your zucchini and arrange in your casserole dish.

  • Preheat your oven to 350° Fahrenheit/ 180° Celsius.

  • In a mixing bowl combine the egg, cheese, cream, Italian (or pizza) seasoning, salt and black pepper to a combined mixture.

  • Pour the cream cheese mixture evenly over the arranged zucchini slices in the casserole dish.

  • Drizzle the olive oil equally all over the uncooked zucchini casserole dish.

  • Bake your zucchini casserole dish at 350° Fahrenheit/ 180° Celsius for about 25- 30 minutes or until golden brown baked.

  • Serve hot with a cold salad.

Notes

I like to use Emmethal, Cheddar or Raclette cheese. You can also use mozzarella cheese or pizza cheese.

Nutrition

Nutrition Facts

Easy Zucchini Casserole Recipe

Amount Per Serving

Calories 522Calories from Fat 414

% Daily Value*

Fat 46g71%

Saturated Fat 25g125%

Cholesterol 193mg64%

Sodium 1354mg56%

Potassium 710mg20%

Carbohydrates 12g4%

Fiber 3g12%

Sugar 6g7%

Protein 19g38%

Vitamin A 1995IU40%

Vitamin C 39.4mg48%

Calcium 491mg49%

Iron 2mg11%

* Percent Daily Values are based on a 2000 calorie diet.

👁️ More zucchini dinners

Easy Zucchini Casserole Recipe (13)
Easy Zucchini Casserole Recipe (2024)

FAQs

Why is my zucchini casserole watery? ›

The key to the best zucchini casserole recipe is making sure that it's luxuriously creamy and not disappointingly watery. Zucchini is 95% water so it is important to draw out the water from the zucchini before baking or the casserole will be a watery mess and result in a bland disappointment.

How do you keep zucchini crisp when cooking? ›

The secret to zucchini with the best flavor and texture is roasting it in a 450°F oven. Roasting zucchini at a high temperature instead of baking or sautéing helps develop browning and a slight char on the outside, which keeps it from getting soggy.

How do you keep zucchini from getting soggy when roasting? ›

Thick slices

Especially when roasting, zucchini should be sliced into thick, ½ inch slices to ensure they don't get soggy in the oven.

Does zucchini need to be peeled for baking? ›

There's no need to peel zucchini. In fact, the skin is a big source of zucchini nutrition (the deep green color is a dead giveaway) so you definitely want to leave the skin on. How to cut zucchini: after giving the zucchini squash a good rinse under cold water, slice off the stem and discard it.

How to make zucchini not watery? ›

Salt your zucchini slices: Salt helps to draw water out of the zucchini! Once salted, let them sit for 15 minutes before blotting dry (and removing some of that salt) with a paper towel.

How to cook zucchini without it being mushy? ›

Put whole zucchini on a broiling pan or heavy-duty oven-proof skillet and broil until the skin is blistering and browning in spots, 8-10 minutes. Use tongs to transfer to a cutting board. Cut off the stem ends and discard. Slice zucchini as desired as serve.

How can I enhance the flavor of zucchini? ›

You can season the oil before you add the zucchini with garlic, shallots, spices, or red pepper flakes, it's totally up to you. Once the oil, butter, or combination thereof is heated, add all of the zucchini. If the pan seems crowded at first, don't worry. Season with salt and toss to begin drawing out the moisture.

Why is my cooked zucchini mushy? ›

Mushy veggies are also often the result of overcooking. When the interior is loaded with moisture, you have to cook it for much longer to evaporate all of the water and avoid the interior having the unappealing, spongy, raw texture that eggplant and zucchini are notorious for.

Should I salt zucchini before roasting? ›

Season it before and after baking.

Tossing the zucchini with garlic powder, Italian seasoning, salt, and pepper before baking gives it an amazing foundation of flavor. But adding a few extra seasonings after it roasts really takes it over the top.

Why is my baked zucchini bitter? ›

Remove the Seeds: The seeds and surrounding flesh can sometimes contribute to bitterness. You can scoop out the seeds before cooking. Salt and Drain: Sprinkle salt on sliced zucchini and let it sit for about 15-20 minutes. This draws out excess moisture and bitterness.

How many zucchinis does it take to make 2 cups grated? ›

You need 2 cups of grated zucchini for the recipe, so you will need about 3 small zucchini, 2 medium zucchini, or 1 large zucchini.

What size zucchini is best for baking? ›

For the best zucchini cake, harvest the squash before it hits the 8-inch mark. Gently wash off any dirt and then cut off the ends, leaving the peel and seeds intact. Grate it with a large-holed cheese grater to quickly break down the zucchini's cells and start releasing their liquid.

What to do if your casserole is too watery? ›

Thicken a meat casserole the most popular way with flour.

Add some flour to your pan after you've browned the meat and before adding any liquid. This way, the flour will soak up the juices and fat in the pan. Add about one teaspoon of flour at a time until you get the right thickness.

How to prevent watery squash casserole? ›

Salting and sautéing the squash before baking helps to remove excess moisture and prevents the casserole from becoming watery. Cream cheese and sour cream lend the filling richness and tang. Tossing crushed crackers with butter and Parmigiano-Reggiano results in a satisfying and crunchy topping.

How do you tell if zucchini is overwatered? ›

Overwatering or Poor Drainage

Zucchini plants love well-drained soil. Overwatering or poor drainage can lead to waterlogged roots and yellowing leaves.

How do you firm up zucchini? ›

Arrange the zucchini pieces into a single layer on a baking sheet lined with parchment paper. (It will stick to the pan if you don't line it first!) Freeze the zucchini for about 1 hour, until it's firm to the touch, then transfer it to an airtight container to preserve the flavor as you store it.

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