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Home » Main Dishes

Gluten-Free Broccoli Casserole (Dairy-Free, Vegan)

Published: Oct 26, 2022 · Modified: Feb 2, 2023 by Felicia Lim · This post may contain affiliate links

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This gluten-free broccoli casserole is warm, filling, comforting and delicious. It can be prepared beforehand and easily feeds a crowd, making it the perfect meal for colder months. Totally dairy-free and vegan too!

Top view of a half-eaten gluten-free broccoli casserole.
Jump to:
  • Colder Weather Means Comfort Food Season!
  • Favorite Gluten-Free Comfort Food Recipes:
  • What are Casseroles?
  • Why This Recipe Works:
  • Ingredients Notes + Substitutions:
  • How to Make Gluten-Free Broccoli Casserole
  • Dish by Dish Tips/Tricks:
  • Recipe FAQs:
  • Other Main Dishes You’ll Enjoy:
  • Gluten-Free Broccoli Casserole (Dairy-Free, Vegan)

Colder Weather Means Comfort Food Season!

As we move from fall to winter, it’s only natural that our bodies crave warmth and food that fills us in the most satisfying way.

There’s a need to push the cold away and top up with hot, delicious food. But not just any food; I’m referring to food that is homemade and cooked with healthy, wholesome ingredients. Food that is fresh and full of taste.

Favorite Gluten-Free Comfort Food Recipes:

  • Gluten-Free Beef Stew (Dairy-Free)
  • Easy One-Pot Chili Con Carne (Dairy-Free)
  • Easy Pumpkin Gnocchi (Gluten-Free, Dairy-Free)
  • Creamy Pumpkin Risotto (Gluten-Free, Vegan)
  • Easy Slow Cooker Lentil Curry (Gluten-Free, Vegan)
Broccoli rice casserole with brown kitchen towel.

What are Casseroles?

In general, casseroles refer to any dish that is first placed in a casserole dish (a deep, wide oven-safe baking dish) and then baked in the oven.

Some popular casseroles include chicken casseroles, pasta casseroles, rice casseroles.

cornbread in a cast iron skillet
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Casseroles are a big thing in the US, and I’m starting to understand why. Casseroles are symbols of undeniable comfort and warmth.

They are easy to bring to together, and often require very little hands-on cooking time. Plus, they involve baking in the oven, which means that the house gets warmed up even if it’s cold outside, and they are always welcome at the dinner table.

Why This Recipe Works:

  • Simple Ingredients: The ingredients required for this gluten-free broccoli casserole recipe are easily accessible at the local grocery stores (nothing fancy required!).
  • Easy to Prepare and Assemble: You can prepare the ingredients for this easy dinner separately ahead of time, and then assemble the casserole on the day you plan to bake it. Alternatively, you can bake it beforehand and reheat it before serving. Perfect for busy nights or whenever you need a quick but nutritious meal!
  • Feeds a Crowd: It’s filling, comforting (think of the rice!), delicious and most importantly, healthy (broccoli!). Plus, it’s such an economical dish that you can easily whip up for a crowd without breaking the bank. This great recipe is sure to be a family favorite and is the perfect weeknight dinner!
  • Totally Gluten-Free, Dairy-Free and Vegan: The best part is that this healthy broccoli casserole recipe is 100% gluten-free, dairy-free and vegan, which means that even those with Celiac disease or gluten and lactose intolerances, or those simply on a gluten-free or vegan diet can enjoy it! The whole family is going to love it!
Top down view of gluten-free broccoli casserole.

Ingredients Notes + Substitutions:

  • Broccoli: I used fresh broccoli florets, but you can also use frozen broccoli florets instead. Simply rinse the frozen broccoli before using.
  • Gluten-Free All-Purpose Flour: I recommend using a good-quality gluten-free all-purpose flour blend that includes lighter flours/starches (such as rice flour, tapioca starch, corn starch or potato starch). I do NOT recommend using a gluten-free flour blend that uses heavier flours (such as garbanzo bean flour).
  • Almond Milk: I like using an unsweetened version of my homemade almond milk, but you can also use other non-dairy milks (such as cashew milk, rice milk, tigernut milk, soy milk, coconut milk or oat milk). Alternatively, if you are not lactose-intolerant, feel free to use normal milk instead.
  • Dairy-Free Yogurt: I used dairy-free yogurt to keep this recipe dairy-free and vegan. However, if you are not lactose-intolerant, feel free to use plain unsweetened Greek yogurt instead.
  • Dairy-Free Cheddar Cheese: To keep this recipe dairy-free and vegan, I used shredded dairy-free cheddar cheese. However, you can use nutritional yeast if you prefer. Alternatively, if you are not lactose-intolerant, feel free to use normal cheddar cheese or white cheddar cheese instead.
  • Rice: I used cooked white rice, but you can also use cooked brown rice or cooked quinoa if you prefer.
  • Spring Onions: I like to garnish this vegan broccoli casserole with chopped fresh spring onions. You may also use chives or parsley if you prefer.
Half-eaten broccoli rice casserole.

How to Make Gluten-Free Broccoli Casserole

1. Bring Water to Boil

Bring a large pot of water to a boil.

2. Blanch Broccoli Florets

When the water starts boiling, blanch the broccoli florets in water for 2 to 3 minutes or until the florets are knife-tender.

(Alternatively, you may also use steamed broccoli instead of blanched broccoli).

3. Heat Up Milk and Flour

As broccoli florets are being blanched, place a small pot over medium heat and mix the flour with 1/2 cup of milk until combined.

4. Add in Other Ingredients

Bring heat down to low and add the remaining 1 1/2 cups of milk, dairy-free yogurt and 6 ounces of shredded dairy-free cheddar cheese and mix well until you get a homogeneous mixture.

5. Preheat and Grease

Preheat the broiler and grease a 1.5 quart casserole dish.

6. Mix Ingredients

In a large bowl, mix the cooked broccoli florets with the cooked rice and the liquid cheese mixture until ingredients are evenly distributed.

7. Place in Casserole Dish

Place mixture in prepared casserole dish and sprinkle with rest of the cheese.

8. Broil Until Ready

Broil for 3 to 5 minutes or until cheese is melted.

9. Garnish and Serve

Serve the gluten-free broccoli casserole warm and sprinkled with fresh chopped spring onions. You may also drizzle a bit of olive oil and sprinkle some black pepper on top.

Broccoli florets in a pot of water.

Dish by Dish Tips/Tricks:

  • Prepping Ahead: You can prepare the ingredients separately (and store them in the refrigerator for 2 days until ready to assemble) and then assemble and bake the casserole on the day you want to serve it.
  • Add Protein: If you wish to add some animal protein, feel free to add cooked pieces of chicken breasts or rotisserie chicken to this easy broccoli casserole before broiling it.
  • Optional Condiments: Feel free to add more condiments such as garlic powder or onion powder if you prefer.
  • Optional Toppings: You may also drizzle a bit of olive oil and sprinkle some ground black pepper on top of the casserole. Garnishing it with gluten-free breadcrumbs will also give it a nice crunchy contrast.
  • Make it Low-Carb: If you prefer to keep this broccoli casserole low carb, feel free to swap out the cooked white rice with cauliflower rice instead.

Recipe FAQs:

How to Store this Gluten-Free Broccoli Casserole?

To store any leftovers, cover the cooled broccoli rice casserole with plastic wrap or place it in an airtight container and store in the refrigerator for up to 3 days. Reheat the casserole in the oven at 350F for 10 minutes before serving.

Can You Freeze this Casserole?

To freeze, place the cooled gluten-free broccoli casserole in a freezer safe container and freeze for up to 2 months. To reheat, remove the casserole from the container and then place in a casserole dish and reheat in the oven at 350F for 15 to 20 minutes before eating.

Freshly baked gluten-free broccoli casserole with wooden spoon.

Other Main Dishes You’ll Enjoy:

  • Panda Express Honey Sesame Chicken (Gluten-Free, Dairy-Free)
  • Crispy Air Fryer Chicken Cutlets (Gluten-Free, Dairy-Free)
  • Homemade Gluten-Free Alfredo Sauce (Dairy-Free Option)
  • Gluten-Free Mac and Cheese Bake (Dairy-Free, Vegan)

P.S. If you try this recipe, I’d love for you to leave a star rating below, and/or a review in the comment section further down the page. I always appreciate your feedback. Be sure to check out my entire Recipe Index for all the recipes on the blog. You can also follow me on Pinterest, Facebook or Instagram! Sign up for my Email List to get fresh recipes in your inbox each week!

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Gluten-Free Broccoli Casserole (Dairy-Free, Vegan)


★★★★★

5 from 1 reviews

  • Author: felicia | Dish by Dish
  • Total Time: 30 minutes
  • Yield: 6 portions 1x
  • Diet: Gluten Free
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Description

This gluten-free broccoli casserole is warm, filling, comforting and delicious. It can be prepared beforehand and easily feeds a crowd, making it the perfect meal for colder months. Totally dairy-free and vegan too!


Ingredients

Units Scale
  • 4 cups broccoli florets, washed cut into small pieces
  • 5 teaspoons gluten-free all-purpose flour blend
  • 2 cups unsweetened almond milk
  • 1/3 cup dairy-free yogurt
  • 8 ounces shredded dairy-free cheddar cheese, divided
  • 4 cups cooked white long-grain rice
  • Salt and pepper to taste
  • 2 spring onions, chopped, for garnishing (optional)

Instructions

  1. Bring Water to Boil: Bring a large pot of water to a boil.
  2. Blanch Broccoli: When water starts boiling, blanch broccoli florets in water for 2 to 3 minutes or until knife tender.
  3. Heat Up Milk and Flour: As broccoli florets are being blanched, place a small pot over medium heat and mix the flour with 1/2 cup of milk until combined.
  4. Add in Other Ingredients: Bring heat down to low and add the remaining 1 1/2 cups of milk, dairy-free yogurt and 6 ounces of shredded dairy-free cheddar cheese and mix well until you get a homogeneous mixture
  5. Preheat and Grease: Preheat the broiler and grease a 1.5 quart casserole dish.
  6. Mix Ingredients: In a large bowl, mix the cooked broccoli florets with the cooked rice and the liquid cheese mixture until ingredients are evenly distributed
  7. Place in Casserole Dish: Place mixture in prepared casserole dish and sprinkle with remaining 2 ounces of shredded cheddar.
  8. Broil Until Ready: Broil for 3 to 5 minutes or until cheese is melted.
  9. Garnish and Serve: Serve warm sprinkled with fresh chopped spring onions

Notes

Broccoli: I used fresh broccoli florets, but you can also use frozen broccoli florets instead. Simply rinse the frozen broccoli before using.

Gluten-Free All-Purpose Flour: I recommend using a good-quality gluten-free all-purpose flour blend that includes lighter flours/starches (such as rice flour, tapioca starch, corn starch or potato starch). I do NOT recommend using a gluten-free flour blend that uses heavier flours (such as garbanzo bean flour).

Almond Milk: I like using an unsweetened version of my homemade almond milk, but you can also use other non-dairy milks (such as cashew milk, rice milk, tigernut milk, soy milk, or oat milk). Alternatively, if you are not lactose-intolerant, feel free to use normal milk instead.

Dairy-Free Yogurt: I used dairy-free yogurt to keep this recipe dairy-free and vegan. However, if you are not lactose-intolerant, feel free to use plain unsweetened Greek yogurt instead.

Dairy-Free Cheddar Cheese: To keep this recipe dairy-free and vegan, I used shredded dairy-free cheddar cheese. Alternatively, if you are not lactose-intolerant, feel free to use normal cheddar cheese instead.

Rice: I used cooked white rice, but you can also use cooked brown rice or cooked quinoa if you prefer.

Spring Onions: I like to garnish this gluten-free broccoli casserole with chopped fresh spring onions. You may also use chives or parsley if you prefer.

Storing/Freezing: To store, cover the cooled broccoli rice casserole with plastic wrap and store in the refrigerator for up to 3 days. Reheat the casserole in the oven at 350F for 10 minutes before serving. To freeze, place the cooled gluten-free broccoli casserole in a freezer safe container and freeze for up to 2 months. To reheat, remove the casserole from the container and then place in a casserole dish and reheat in the oven at 350F for 15 to 20 minutes before eating.

Prepping Ahead: You can prepare the ingredients separately (and store them in the refrigerator for 2 days until ready to assemble) and then assemble and bake the casserole on the day you want to serve it.

  • Prep Time: 10 mins
  • Cook Time: 20 mins
  • Category: Main Dish
  • Method: Baking
  • Cuisine: American

Keywords: gluten-free broccoli casserole

Did you make this recipe?

Tag @felicialimhz on Instagram and hashtag it #dishbydish

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About Felicia

Hey you! I’m Felicia, a Singaporean girl who moved to Buenos Aires for love. A couple of things about me: I love food, writing and food photography. I wrote a grain-free ecookbook that I know you’ll love and I also do freelance writing and photography if you want to work with me. Follow me on this blog as I navigate the world of cooking gluten-free, dairy-free and egg-free.

Did you make a recipe? Tag @felicialimhz on Instagram. I love to see what you cook!

Reader Interactions

Comments

  1. Grace Lim says

    November 03, 2022 at 7:03 pm

    Good morning Felicia!

    What a great way to prepare a sumptuous one-dish dinner meal for the family on a busy night!

    Cheers!
    Mum

    ★★★★★

    Reply
    • Felicia Lim says

      November 04, 2022 at 3:02 am

      Glad you enjoyed it mummy 🙂

      Reply

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Hello & welcome!

I’m Felicia: a girl from Singapore who moved to Buenos Aires, Argentina for love. My husband is Celiac so I test and share gluten-free recipes on my blog! I help people with food intolerances and allergies cook and eat delicious, healthy food! Stay a while, and let's be friends! ♥

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