Don’t want to cook with canned cream of mushroom soup or canned green beans? Here is my favorite easy homemade Green Bean Casserole Without Mushroom Soup from scratch for Thanksgiving and Christmas using frozen green beans, fresh mushrooms, and sour cream.
I’ve been eating some variation of Green Bean Casserole Without Mushroom Soup every Thanksgiving for as long as I can remember.
Growing up, Mom made the famous version with canned cream of mushroom soup, canned green beans, and French fried onions. It was my absolute favorite thing to eat for the holiday.
As I started cooking for myself and my palate matured, I could no longer eat a lot of canned items, especially cream of whatever soup.
Not wanting to give up the casserole, I was on a mission to make homemade Green Bean Casserole Without Mushroom Soup from scratch.
And I succeeded using sour cream and fresh mushrooms plus some Worcestershire sauce to add some depth known as umami (bonus points if you can pronounce it).
Mom always added cheese, and I didn’t know until a few years ago that there is no cheese in the original. You’ll definitely want to make a cheesy green bean casserole.
What are the ingredients for green bean casserole?
I don’t think a year has gone by where we don’t make green bean casserole without cream of mushroom soup for Thanksgiving and Christmas.
Dad doesn’t even need me to write a shopping list anymore. It’s like, holiday shopping list? Green beans, fresh mushrooms, French fried onions, sour cream, broth, cheese. Done.
Because green bean casserole from scratch is typically made in the winter, I opt for frozen green beans rather than fresh.
They’re still technically fresh green beans because they’re frozen during peak season. Regardless they’re a million times better than canned green beans.
I use frozen French cut green beans when I can find them, which means the beans are cut lengthwise into thin strips.
However, they aren’t easy to find, so you can definitely use regular cut green beans.
When I originally posted this green bean casserole without mushroom soup recipe, I was on a mission to replace everything, included the French fried onions on top.
Nowadays I cut myself some slack and buy them. There’s too much going on with Thanksgiving dinner, so I have no regrets.
Is green bean casserole vegetarian?
Although at first glance green bean casserole looks vegetarian, it actually isn’t due to the Worcestershire sauce, which contains anchovies.
No worries! You can leave it out or use a vegetarian-friendly brand.
How do you substitute for cream of mushroom soup in green bean casserole?
For a cream of mushroom soup substitute, I used sour cream, sliced white button mushrooms, and broth.
I also added a bit of Worcestershire sauce to bring some earthiness to the dish, which pairs well with the mushrooms.
Can you make green bean casserole without mushrooms?
Although the mushrooms are my favorite part, you can certainly make green bean casserole without mushrooms by leaving them out.
If you’re ok with eating meat, you can even fry up some bacon to add.
Instead of using butter, fry your bacon in the skillet, remove once cooked, then continue frying your onion and mushrooms in the bacon grease left behind.
Crumble your bacon then stir into the mixture before baking.
How To Make Green Bean Casserole Without Mushroom Soup
To make green bean casserole without cream of mushroom soup, first you want to blanch your green beans.
Blanching means cooking in hot water until softened but not fully cooked, about 3 minutes or so. That way the green beans aren’t raw after cooking the casserole.
Meanwhile, melt the butter in a deep large skillet. Once melted, cook the onion and mushrooms until softened then add the garlic.
Next, make a roux (paste) by stirring in the flour then the broth. This will help thicken the filling so it’s not too soupy.
Now stir in the sour cream, cheese, milk, Worcestershire sauce, green beans, and some of the French fried onions.
Transfer to your casserole dish, top with the remaining French fried onions, then bake at 350F for 30 minutes or until hot and bubbly.
Can you make green bean casserole ahead of time?
Yes, you can make green bean casserole without mushroom soup ahead of time! Make the green bean filling, refrigerate, then add the French fried onions on top right before baking.
You may need to add an extra 10 minutes in the oven since you’re baking cold filling straight from the fridge.
Luckily all you need to do is cook until hot.
What To Serve With Homemade Green Bean Casserole
Since the likelihood of you reading this while planning your Thanksgiving menu is very high, here are links to my favorite accompanying dishes.
- 1 bag (12-16 ounce) frozen regular cut or French cut green beans
- 2 tablespoons unsalted butter
- Salt, to taste (preferably kosher)
- 1/4 cup diced white or yellow onion
- 4 large white button mushrooms, sliced
- 1 clove garlic, minced
- 2 tablespoons all-purpose flour
- 1/4 cup vegetable or chicken stock/broth
- 1 cup full-fat sour cream
- 1/2 cup shredded cheddar cheese
- 1/4 cup whole milk, room temperature
- 1 teaspoon Worcestershire sauce (omit if making casserole vegetarian-friendly)
- 1 cup French fried onions
- Preheat oven to 350F. Have a 1 quart casserole dish ready.
- Bring a large pot of water to a boil. Once boiling, add a handful of salt then add green beans. Cook for 3 minutes to soften but not fully cook. Drain and run under cold water to stop the cooking.
- Meanwhile, in a large deep skillet melt the butter. Once hot, add the onion, mushrooms, and a pinch of salt. Cook until softened, about 5 minutes. Add the garlic and cook 1 minute.
- Stir in flour until a roux (paste) forms. Slowly stir in the broth.
- Stir in the sour cream, cheese, milk, Worcestershire sauce, green beans, 1/4 cup French friend onions, and salt to taste (up to 1 teaspoon) until smooth and cheese has melted.
- Transfer to the casserole dish and top with remaining 3/4 cup French fried onion. Bake 30 minutes or until bubbling.
- To make the casserole ahead of time, make the filling then refrigerate. Right before baking, top with the remaining French fried onions. You may need to add extra bake time since you're baking cold filling straight from the fridge.
- Planning your holiday menu? Check out Thanksgiving Dinner For Two, Easter Dinner For Two, and Christmas Dinner For Two for recipe pairings.
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