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    Home » All Recipes

    Broccoli Butter Bean Casserole

    November 15, 2021 by cookingwithelo 2 Comments This post may contain affiliate links.

    Jump to Recipe

    Delicious vegan broccoli butter bean casserole made with quinoa and the best vegan mustard sauce. It has a preparation time of 10 minutes and only requires an oven. This is the perfect vegan casserole for Thanksgiving and such a great alternative to the classic broccoli and cheese casserole. The recipe is easily scalable. You can make it for two or for a crowd.

    Finished broccoli butter bean casserole.
    Jump to:
    • Why you'll love this recipe
    • Key ingredients notes
    • Best tips
    • Step-by-step with pictures
    • Substitutions
    • Storage and reheating tips
    • Frequently asked questions
    • The recipe

    Why you'll love this recipe

    • The entire recipe can be made in the oven. You won't need to blend anything or to sauté certain ingredients. It comes together in 40 minutes only, which makes it the perfect Thanksgiving side dish.
    • The vegan mustard sauce adds a fun twist to this specific casserole. It's a great alternative to a classic baked bean casserole or the popular broccoli cheese casserole.
    • The sauce is SUPER simple to make. No need to start a complicated vegan bechamel or use cream of mushroom soup.
    • It makes a healthy meal. This broccoli quinoa casserole is high in plant-based protein and actually filling. You can totally serve it as a main dish if you'd like.
    • This butter bean casserole recipe is vegan, gluten-free (it's made without breadcrumbs) and nut-free.

    Key ingredients notes

    Ingredients for butter bean casserole.
    Missing on the picture: pine nuts for topping.
    1. Use canned butter beans to save time and have your casserole ready in 40 minutes.
    2. Choose low-sodium vegetable broth to minimize the salt content of the casserole.
    3. Use a delicate mustard, such as yellow mustard for a mild, slightly sweet sauce. If you'd like a strong mustard favor you can go for Dijon mustard or add an extra heaped tablespoon to the sauce.

    Best tips

    1. Roast the broccoli separately at first. The florets will get all crispy and almost cooked before you add them to the casserole with the rest of the ingredients.
    2. Save the broccoli stems to make a soup. You can try this vegan broccoli and potato soup recipe.
    3. Do not cover the quinoa while it is cooking. We know that some people like cover their casserole with a lid or aluminium film but it isn't necessary for this recipe. In fact, you want some of the vegetable broth to be absorbed by the quinoa and the rest to evaporate while baking.

    Step-by-step with pictures

    Roast the broccoli. Wash the broccoli and cut it into florets. Add them onto a sheet pan or baking dish and drizzle with olive oil. Roast the broccoli in the oven until it is golden and crispy. This should take approximately 15 minutes.
    Drain and rinse the canned butter beans. Rinse the quinoa.

    • Raw broccoli in a baking dish.
    • Rinsed quinoa in a fine-mesh sieve.

    Make the quinoa and butter bean casserole. Add the beans and the quinoa to a casserole dish and pour in the vegetable broth. Add the garlic powder and give it a good stir. Bake uncovered for 15 minutes.

    • Butter beans and vegetable broth in a casserole dish.
    • Baked butter beans and vegetable broth in a casserole dish.

    Make the mustard sauce. In a bowl, mix the soy cream, maple syrup, mustard, salt and pepper with a fork or a small whisk.

    • Ingredients for vegan mustard sauce.
    • Vegan mustard sauce in a bowl.

    Add the broccoli and the sauce to the casserole. Once most of the vegetable broth was absorbed by the quinoa (there can still be some liquid), add the roasted broccoli florets and the vegan mustard sauce to the casserole dish. Give it a good mix. Finally, top it with pine nuts and bake for another 15 minutes.

    • Quinoa and mustard sauce added to the casserole dish.
    • Warm broccoli quinoa casserole coming from the oven.

    Substitutions

    • Soy cream: you could use any plant-based cream alternative. Some are made from rice, almonds or oats (choose gluten-free if necessary). Alternatively, you could use the same amount of full-fat coconut milk. The flavor of the sauce will however be different and you might need to add more mustard to it to balance the coconut flavor.
    • Quinoa: if you prefer a broccoli casserole with rice, you can substitute the quinoa with the same amount of rice. Chose a rice that has a cooking time of 20 to 30 minutes (not quick-cooking rice).
    • Pine nuts: you can easily substitute the pine nuts with sunflower seeds.

    Storage and reheating tips

    Refrigerating tips. If you have leftovers, let them cool down and store them in an air-tight container. You can keep them in the fridge for up to 3 days.

    Freezing tips. This broccoli casserole freezes well for up to 3 months. You can either freeze the entire dish once its baked and cooled or divide it into single servings. Note that this casserole cannot be frozen before cooking. The best way to defrost it is to place it in the fridge overnight.

    Reheating tips. Preheat your oven to 375°F (180°C) and reheat the defrosted casserole for approximately 15 to 20 minutes. Alternatively, reheat single portions in the microwave.

    Ready to eat butter bean bake.

    Frequently asked questions

    Can a broccoli casserole be made ahead of time?

    This broccoli quinoa casserole can easily be made ahead of time. Bake it according to the recipe instructions and reheat it before serving. You can store the baked casserole in the fridge for up to 3 days if it's tightly covered.

    What do you serve with a broccoli casserole?

    This broccoli butter bean casserole can be served as a main dish or as a side dish. It is great as a Thanksgiving casserole. Serve it roasted root vegetables and a slice of vegan nut roast.

    Don’t forget to join the Cooking With Elo newsletter. You’ll get gluten-free and vegan dinner ideas sent right to your inbox.

    The recipe

    Broccoli Butter Bean Casserole

    5 from 4 votes
    Delicious broccoli butter bean casserole made with quinoa and the best dairy-free mustard sauce. It makes the perfect vegan casserole for Thanksgiving.
    Print Pin
    Prep Time: 10 minutes
    Baking Time: 30 minutes
    Total Time: 40 minutes
    Servings: 4
    Author: Eloïse Jennes

    Equipment

    • Casserole dish
    • Sheet pan or baking dish

    Ingredients 

    • 1 head of broccoli
    • 2 tablespoons olive oil
    • 1 cup (185 g) quinoa
    • 15 oz (400 g) canned butter beans
    • 1 cup (240 ml) low-sodium vegetable broth
    • ¼ teaspoon garlic powder
    • 2 tablespoons pine nuts substitute sunflower seeds

    For the sauce

    • 3 tablespoons yellow mustard more to taste
    • 1 tablespoon maple syrup
    • 1 cup (250 ml) soy cream or other vegan cream alternative
    • 1 pinch of salt and pepper

    Instructions

    • Preheat the oven to 400°F (200°C).
    • Wash the broccoli and cut it into florets. Drizzle with olive oil. Place onto a baking sheet in a single layer.
    • Rinse the quinoa under cold water. Drain and rinse the butter beans. Add the quinoa, butter beans and garlic powder to a casserole dish and pour in the vegetable broth.
    • Place the broccoli and the casserole (uncovered) into the oven and bake both for 15 minutes.
    • In the meantime, make the mustard sauce. Whisk the plant-based cream with mustard, maple syrup and a pinch of salt and pepper.
    • After 15 minutes, add the roasted broccoli and mustard cream to the casserole dish. Give it a good stir. Top with pine nuts. Bake 15 more minutes.

    Notes

    Storage tips. You can store cooled-down leftovers in the fridge for up to 3 days.
    Freezing tips. You can freeze this casserole for up to 3 months once it’s cooked and cooled. The best way to defrost it is to place it in the fridge overnight.
    Reheating tips. Preheat your oven to 375°F (180°C) and reheat the defrosted casserole for approximately 15 to 20 minutes. Alternatively, reheat single portions in the microwave.

    Nutrition

    Calories: 495kcal | Carbohydrates: 66g | Protein: 18g | Fat: 20g | Saturated Fat: 3g | Fiber: 13g | Sugar: 13g
    Leave a rating and comment below! Thank you!Don't forget to mention @cookingwithelo on social media

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    Reader Interactions

    Comments

    1. Ieva

      March 23, 2022 at 10:58 am

      5 stars
      Delicious! Had it last night for dinner and there were no leftovers because everyone had seconds! Made the mustard sauce with oat cream and it was scrumptious! Thanks for the recipe.

      Reply
      • cookingwithelo

        March 25, 2022 at 9:01 am

        It's a family favorite over here, too! You're so welcome!

        Reply

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