Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (2024)

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4.98 from 37 votes

Healthy broccoli quinoa casserole recipe! A delicious soufflé which is vegan, gluten-free, grain-free, easy to make and ready in less than 45 minutes. This broccoli bake contains many vitamins and minerals, as well as healthy carbohydrates, proteins, and fats. Ready to up your dinner game?!

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (1)Quinoa Casserole

I thought it was time to publish a recipe with quinoa on my blog. Until today, I’ve created some tasty vegan recipes with rice, potatoes, and pasta. However, in my opinion, quinoa deserves to be used more often. This pseudo-grain is very healthy, delicious and protein-rich, furthermore, it’s not a real grain.

Quinoa is also gluten-free and can, therefore, be eaten by people suffering from celiac disease. I also love the fact that quinoa contains plenty of healthy, plant-based protein. Read more about the health benefits of quinoa in this amazing article.

Since I adore casseroles, I decided to make a broccoli quinoa casserole with vegan cheese. This savory broccoli soufflé can be prepared in less than 45 minutes and it tastes amazing. Especially in the evening, when you want to enjoy a hearty comfort meal, there is nothing better than a cheesy broccoli casserole. Don’t you think so?

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (2)Quinoa Or Rice?

Of course, you can also prepare this easy broccoli casserole with rice instead of quinoa. So if you don’t have quinoa in your pantry or doesn’t like the taste of it, no problem! You can just cook rice and use it instead of quinoa in the recipe.

I am sure a broccoli rice casserole will taste delicious as well! Another alternative would be to use potatoes to enjoy a delicious broccoli potato gratin!

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (3)Ingredients Of This Healthy Broccoli Casserole

Instead of cheddar, I used my easy vegan cheese sauce because it only takes 3 minutes to prepare it. Of course, you can also use store-bought cheese from the supermarket. You can make this quinoa broccoli casserole with any kind of plant-based milk.

For example, you could use almond milk, oat milk, cashew milk, coconut milk, etc., depending on your taste. The higher the fat content of the milk, the better the casserole will taste!

In addition, I also added chickpeas, because they are another great source of plant-based protein and taste very delicious!

I topped the broccoli quinoa bake with homemade “breadcrumbs“. The ingredients are oats, nutritional yeast flakes, and a few spices. In my opinion, breadcrumbs make a gratin even more delicious.

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (4)How To Make A Broccoli Quinoa Casserole?

It really isn’t complicated to make this cheesy broccoli casserole. First, prepare the quinoa by rinsing it under running water for about a minute. Then cook the quinoa in salted water or vegetable broth for about 15 to 20 minutes. Meanwhile, you can already roast the broccoli in the oven.

Once both quinoa and broccoli are done, mix the quinoa with plant-based milk, chickpeas, vegan cheese, and spices. Pour the quinoa mixture into a greased casserole dish, add the roasted broccoli. Finally, put vegan cheese and breadcrumbs on top of the broccoli, and bake the gratin in the oven for about 20 minutes.

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (5)How To Store Leftovers?

This broccoli bake tastes best when it’s still warm. You can put leftovers in the refrigerator and enjoy them either cold the next day, or reheat in the microwave or in the oven.

It is also possible to freeze leftovers in zip-lock bags. Simply defrost at room temperature or in the fridge and reheat either in the oven or in the microwave.

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (6)This Quinoa Broccoli Cheese Casserole Is:

  • Vegan (egg-free, dairy-free)
  • Gluten-Free
  • Grain-Free
  • Flavorful
  • Hearty
  • Comforting
  • Healthy
  • Easy to make
  • A delicious dinner

Should you recreate this creamy broccoli quinoa casserole, please leave a comment below and don’t forget to tag me in your Instagram or Facebook post with @elavegan and #elavegan because I love to see how your broccoli gratin turned out!

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (7)

If you want to try out more vegan casseroles, definitely also check out the following recipes:

  • Cheesy Pasta Bake
  • Creamy Potato Bake
  • Vegan Moussaka
  • Vegan Shepherd’s Pie

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (9)

Broccoli Quinoa Casserole

Author: Michaela Vais

Healthy broccoli quinoa casserole which is vegan, gluten-free, grain-free and easy to make. This creamy cheesy broccoli bake is perfect for dinner, especially on weekends.

Servings 4

Prep 22 minutes mins

Cook 20 minutes mins

Total 42 minutes mins

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Ingredients

Quinoa

Broccoli

  • 1 medium-sized head of broccoli
  • 1 tbsp oil
  • A pinch of salt

Homemade "breadcrumbs":

Vegan Cheese

  • 1 batch (200 g) vegan cheese sauce or 7 oz (200 g) of store-bought vegan cheese

Instructions

Prepare quinoa

  • Bring a pot with 2 cups of vegetable broth to a boil and preheat oven to 400 degrees Fahrenheit (200 degrees Celsius).

  • Rinse quinoa thoroughly under running water and put it into the water/broth as soon as it boils. Simmer for 15-20 minutes until no water is left and the quinoa is cooked.

Prepare broccoli

  • Cut the broccoli into florets, spread on a baking tray (lined with parchment paper) and drizzle with 1 tablespoon oil and a little salt. Toss with your hands and roast the broccoli in the oven for about 15 minutes. Meanwhile, prepare the vegan cheese sauce according to the recipe (click on the link). Skip this step if you use store-bought vegan cheese).

"Breadcrumbs"

  • Put all ingredients for the "breadcrumbs" (except the oil) into a small bowl and stir with a spoon.

  • Heat the oil in a saucepan over medium heat, add "breadcrumbs" and fry on low/medium heat for about 30-60 seconds.

Assemble Casserole

  • Add 1 cup of dairy-free milk, all spices, the chickpeas and half of the cheese sauce (or store-bought cheese) to the quinoa and stir.

  • Transfer the quinoa mixture into a lightly greased casserole dish, add the broccoli florets and spread the rest of the cheese on top. Sprinkle with the "breadcrumbs".

  • Reduce the heat of the oven to 350 degrees Fahrenheit (180 degrees Celsius) and bake the casserole for about 15-20 minutes. Enjoy!

Notes

  • If you love casseroles, you might also enjoy my vegan Rice And Bean Casserole my Vegan Scalloped Potatoes, and my Vegan Green Bean Casserole.
  • Recipe serves 4. Nutrition facts are for one serving.

Nutrition Facts

Broccoli Quinoa Casserole

Amount per Serving

Calories

443

% Daily Value*

Fat

15.6

g

24

%

Carbohydrates

47

g

16

%

Fiber

12.6

g

50

%

Sugar

9

g

10

%

Protein

19

g

38

%

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

Nutrition information is an estimate and has been calculated automatically

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (10) Simple and Delicious Vegan Cookbook by ElaVeganCLICK HERE to order!

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Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (11)

Easy Broccoli Quinoa Casserole (Gratin) With Vegan Cheese - Elavegan (2024)

FAQs

How do you thicken broccoli casserole? ›

Whisk together equal parts cornstarch and cold water in a small bowl. Use one tablespoon of cornstarch per cup of liquid you would like to thicken. Stir out all the lumps. A few minutes before your casserole is done, add it a little at a time until you are happy with the thickness.

What is broccoli cheese casserole made of? ›

2 eggs beaten, 1 cup melted margarine, 1 cup HELLMAN's (not miracle whip) mayonnaise, 1 can cream of mushroom soup, 1 1/2 cups grated sharp cheddar cheese, 2 Tbsp chopped onion, 2 pkgs. frozen chopped broccoli, 1 small bag pepperidge farm stuffing mix.

Why is my broccoli cheese casserole watery? ›

Old-school broccoli and cheese casserole is not bad. But with an update, it can be great. Watery vegetables can expel moisture while cooking, leaving your casserole soupy and unappetizing; but luckily, the fix is easier than you might think: simply swap your fresh for frozen.

How do you thicken a casserole without cornstarch? ›

All-purpose flour: You can thicken sauces with all-purpose wheat flour. For every tablespoon of cornstarch, use three tablespoons of flour. Combine raw flour with cold water in a small bowl to form a paste, then add it into the sauce as it's simmering. Cooking the flour in the sauce will remove the flour taste.

How to thicken up a watery casserole? ›

In this instance, cornstarch and flour are the insoluble solids in question. When mixed with water, they form a viscous solution perfect for thickening all kinds of casseroles and sauces. The ideal slurry ratio is one tablespoon of cornstarch to every two tablespoons of water.

How do you thicken a sauce in a casserole? ›

Use one tablespoon cornstarch mixed with one tablespoon cold water (aka a cornstarch slurry) for each cup of medium-thick sauce. Thoroughly mix the cornstarch and water together, then pour into your sauce. Cook and stir over medium heat until thickened and bubbly.

How do you make broccoli not watery? ›

To avoid soggy broccolis try steaming it for 2 minutes and check the texture, if required cook for a minute more but not more than that. After this, you put the boiled broccoli into ice water, the constant shock will make them crispy.

How can I thicken my slow cooker casserole? ›

A slurry is a mixture of flour and water, whisked together until smooth and added towards the end of cooking; it's a super-simple way to thicken any soup. For slow cooker soups, add your slurry with at least 30 minutes of cook time left so that the raw flour can cook and thicken the soup. Need a gluten-free option?

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