Vegan Green Bean Casserole - This recipe for a whole food Bean Casserole is a classic in American cuisine for Thanksgiving or Christmas.
Prepare the casserole with cream of mushroom and fried onions. You do not need many ingredients for this high quality vegetarian casserole and you can prepare it in advance.
It is gluten free, oil free, dairy free and whole food plant based friendly.
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Do you like to eat green beans like me? Then you will surely love this tasty casserole with green beans and a tasty cream of mushroom sauce.
This dish is not just suitable for Christmas but is also prepared very fast during the week.
The best is that you can combine this side dish casserole with different dishes. So you can prepare a larger amount.
Difference traditional green bean casserole and the vegan green bean casserole
The classic green bean casserole is prepared from a ready-made canned cream of mushroom from Campbells and store bought French fried onions.
For one thing, finished products are full of salt and home-made food just tastes better or not?
We prepare the mushroom cream ourselves and we handle making the fried onions.
And the best thing about the homemade casserole, we know exactly what's inside.
Ingredients
On the one hand, you can prepare the fried onions yourself at home. Here I have an oil-free version for you.
Or you can use store bought French fried onions.
You can find the exact quantities in the recipe card below.
For the fried onions you need the following:
- Plant drink
- Tahini
- Apple Cider Vinegar
- Onions
- Whole spelt flour or gluten-free flour mixture
- Salt
- Ground black pepper
- Cayenne pepper
Now we need the ingredients to prepare the casserole.
- Onion
- Clove of garlic
- Mushrooms
- Dry white wine or some white balsamic vinegar
- Tapioca starch
- Cashews
- Water
- Nutritional yeast
- Soy sauce or coconut Aminos for gluten free
- Pepper
- 500 g fresh green beans or frozen
Preperation
First, we prepare the roasted onions.
First, cut the onion into fine strips or rings. Mix the remaining ingredients into a dough and add the onion.
Heat the oven to 175 C (350 F) and place the onions on a baking tray lined with baking paper. Now bake the onions for about 7 minutes. Repeatedly check to see if they gain the right color.
If they have a nice brown color but not too dark, they are finished.
In the meantime you can cut mushrooms, onions and beans. You can now steam the beans for 3 minutes.
This helps you have a beautiful green bean casserole. Thanks to the steaming the color will be preserved.
Now fry the onions and mushrooms in a pan vigorously. I always add a sip of water. Take the soaked cashews and blend them with water, tapioca starch and yeast flakes.
If the onions have a nice brown color, you can deglaze them with some white wine.
Add the cashew cream and add soy sauce (coconut Aminos), salt and pepper for taste. Now you can put the green beans in a casserole dish and pour the sauce over them.
You can distribute the finished fried onion over it. And bake in the oven at 175 C for about 15 - 20min
Bring extra flavor into your vegan green bean casserole.
Which mushrooms can I use?
Basically, I think you can combine different types of mushrooms, so the tastes of all come through.
You can use mushrooms, chanterelles, oyster mushrooms and others.
My grandma has taught me that dishes taste best when you use different mushrooms, and she always knows best. And I would like to pass that on to you.
Which onions can I use here?
I take the conventional yellowish (white) onion for frying. These taste best for hearty, cooked dishes.
For raw dishes like salads, I prefer to eat the mild red onions.
Gluten-free?
I can give a big yes here.
The sauce is quickly made gluten free with coconut amino and with the fried onions you can just use a gluten-free flour baking mix.
What else can you use for white wine?
If you do not like the taste of white wine or if you can not drink it for other reasons, then just take some white balsamic.
You can find detailed instructions in the recipe card.
But if you can drink wine, then I recommend you try it out. It just tastes heavenly good. And gives the casserole something for sure.
Mushroom Substitute
This is not a problem, you can of course leave out the mushrooms and just caramelize the onions. And with the white wine you get an amazing flavor.
What helped me in the beginning, was to cut the mushrooms super fine. I never liked to eat mushrooms myself before, but I always loved the taste in sauces.
That's why it helped me cut the mushrooms so finely that I did not have to chew on them. Maybe that helps you too.
Tips
- Prepare everything first and then start cooking. Thus, you can fully concentrate on the cooking.
- You can also prepare the vegan green bean casserole a few days before. Here I would prepare everything except cutting and sprinkling the fried onions over it. Do this only when you want to eat the casserole.
- This casserole makes 6 portions. Calculate how much you need and maybe make a bigger casserole.
- You do not have to steam the green beans. But that helps keep the beans so green.
Why do we prepare the mushroom sauce ourselves?
For one, the purchased are mostly not vegan. They contain milk, cream or other animal products.
We can caramelize the onion with homemade sauce, which gives it a special touch.
How can we caramelize onions without oil, Magarine or butter?
Maybe, like me, you think too much about it.
But it's totally easy, you just need some water and a non-stick pan and that'll let you caramelize onions.
I add some water every now and then when the onions begin to stick on the pan. And stir the onions.
Other vegan holiday recipes for Thanksgiving
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Vegan Green Bean Casserole for Thanksgiving (gf)
Vegan Green Bean Casserole - This recipe for a Green Bean Casserole is a classic in American cuisine for Thanksgiving or Christmas. Prepare the casserole with cream of mushroom and fried onions. You do not need many ingredients for this high quality casserole and you can prepare it in advance.
Vegan | vegetarian | milk-free | lactose free | full worth | oil-free | low-calorie | wfpb
Ingredients
For the French fried onions:
- 1 cup (240 ml) plant drink (soy or almond)
- 2 tablespoons of tahini
- 1 tablespoon of apple cider vinegar
- 1 small onion, strips
- ½ cup (60g) whole spelt or wheat flour
- ¼ cup (40g) bread crumbs
- ¼ teaspoon sea salt
- ¼ tsp. Pepper grounded
- Pinch of cayenne pepper
For the mushroom cream sauce:
- 1 medium onion, in cubes
- 2 garlic cloves, pressed
- 1 packet (150g -200g) of mushrooms, sliced
- ½ cup (120 ml) of dry white wine or 2 tablespoon Balsamic White
- 1 tablespoon tapioca starch
- ½ cup (60 g) of cashews, soaked
- 1 ¾ cup (420 ml) of water
- 1 tablespoon soy sauce or coconut aminos (gf)
- 2 tablespoon of nutritional yeast
- Pepper to taste
Casserole:
- 5 cups or 1 lbs (500 g) of green beans
- French fried onion
- Mushroom sauce
Instructions
First, we prepare the fried onions, so we cut onion into fine strips or rings. Mix the remaining ingredients into a dough and add the onion. Heat the oven to 175 C and place the onions on a baking tray lined with baking paper. Now bake the onions for about 7 minutes, then repeatedly check to see if they gain the right color. If they are a nice brown color but not too dark, they are finished.
In the meantime you can cut mushrooms, onions and beans. Steam the cut beans for 3 minutes to help preserve the color.
Now fry the onions, garlic and mushrooms in a pan vigorously. I always add a sip of water. I repeat that when the onions start sticking to the pot.
Now take the soaked cashews and blend them with water, tapioca starch and yeast flakes.
If the onions have a nice brown color, you can deglaze them with some white wine.
Add the cashew cream and season with soy sauce (coconut mints), salt and pepper. Let it boil.*
Now you can put the green beans in a casserole dish and pour the sauce over them.
You can distribute the finished fried onion over it. And bake in the preheated oven at 175 C for about 15 - 20min.
Notes
If the sauce is till too runny, you can add some more tapioca starch or let it cook some more until it is thicker.
Kay says
Hi Jasmin.
I made your casserole today and I must say that the recipe was not very clear to follow
The mushrooms had no measurements so I used a mixture of portobello and white cup mushrooms to approx 150g.
I didn’t have spelt flour so used whole meal (I’m in Australia) but even so the mixture was way too runny to stick to the onions.
I did steam the beans prior to making the mushroom sauce which was very runny.
The recipe didn’t specify so I added the cashews, aminos etc to the onion/ mushroom mixture then added the garlic which was listed in the ingredients but not in the method.
I baked it all as instructed but the beans were still hard and the sauce way too runny.
I’d love to get this right so please tell me what I should do.
Kay
Jasmin says
Kay, Thank you for your feedback. I do not know why yours where too runny. For the onions: Mine had a pancake dough like consistency. It stuck very well to the onions. Maybe add some more flour. For the casserole: Like in the recipe mentioned you should have blend the cashews, water, yeast flackes and tapioca starch together. And than add to the fried mushrooms. Let it boil, it should thicken. If not you could add some more tapioca starch if you want. I have noticed it was even thicker after baking. I wonder why your green beans are still hard and soft. When I cook / bake green beans they normally do not take longer to be soften than 15-20 min. Have you preheated your oven to 175C?
Kay Fountain says
Hello Jasmin.
You ask for a packet of mushrooms but no weight is specified. Can you please give a weight for them?
Thank you
Jasmin says
I added a weight. Around 150g.