Asparagus Green Bean Casserole

Shake up the classics and make this Asparagus Green Bean Casserole for your holiday meal!

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Shake up the classics and make this Asparagus Green Bean Casserole for your holiday meal! This green bean casserole combination was thanks to my brother’s dislike of green beans. I wanted to test out how a traditional green bean casserole would fare with the flavour of asparagus – and it was awesome!

Asparagus Green Bean Casserole in a white plate

Green Bean Casserole with Asparagus

Adding asparagus to the classic green bean casserole made it ten times better, in my opinion. While this version has green beans and asparagus in it as I love both equally, you can totally replace all of the green beans with canned or freshly cooked asparagus. When I have my brother over (which means all of the major holidays) I am going to make this all asparagus and it’s going to be amazing!!

Asparagus Green Bean Casserole ingredients in wood background with green tablecloth

When was Green Bean Casserole invented? 

We can thank the people at Campbell’s for inventing the green bean casserole in 1955 to use their mushroom soup ( which is my favourite mushroom soup of all). This side dish is mainly used at Thanksgiving more than Christmas, but I think it’s a great recipe for every holiday! Using asparagus really switches it up to a spring dish!

How many cans of green beans is 4 cups? 

If you want to make the classic green bean casserole, you can generally use two 16-ounce cans of green beans to get 4 cups. You can work with the quantities given and substitute what you want. You have a little bit of play when it comes to the quantity, so don’t fuss if you have slightly more than 4 cups.

What Temperature do I Cook Green Bean Casserole at?

You cook green bean casserole at 350 °F. To be honest, you are mainly heating it up until it’s bubbling and hot rather than really giving it a solid casserole baking time. Then you are browning up the fried onions on top at the end for extra crunch and flavour.

Asparagus green bean casserole serving in a small white plate with fork, whole casserole of green bean with asparagus in the background

 Green Bean Casserole Tips & Tricks

  • You can use fresh asparagus and green beans and leave them whole in the dish for an entirely different look and presentation. I like them whole, they look more like a vegetable side dish than a casserole, but both ways are good!
  • If you prefer to have your asparagus slightly crunchy, you want to avoid using canned asparagus. Use fresh (2 cups of asparagus that has been chopped into bite sized pieces) and steam until it is your desired crunchiness. Then simply use it in the recipe as directed.
  • I like the canned asparagus with the canned green beans as they are soft for the casserole presentation. Either you are a lover or hater of soft vegetables in this green bean casserole, so pick your poison. I like the soft vegetables in a creamy sauce with the fried onions adding the crunch.
  • You want to make sure that you drain the canned vegetables well or it will affect the consistency of the sauce, it will be too liquidy.
  • This casserole is easily doubled or tripled and can be made in a larger casserole, just adjust your cooking times accordingly.

close up Asparagus and Green Bean in Casserole with wooden spoon

Use Fresh Green Beans in Green Bean Casserole

You can absolutely use fresh green beans in this casserole, simply  don’t use the canned and use 2 cups of green beans that you steam until they are tender-crisp. You can leave them whole for different look and texture to the dish.

If you are wanting some other great holiday side dishes and appetizers, try these:

  1. Baked Lazy Perogy Casserole
  2. Buttery Mushroom Rice
  3. Bacon Wrapped Green Bean Bundles
  4. The Best 7 Layer Bean Dip

Happy cooking! Has anyone else ever tried making green bean casserole with some asparagus? Let me know what you think in the comments below!



Asparagus Green Bean Casserole

Shake up the classics and make this Asparagus Green Bean Casserole for your holiday meal!
5 from 5 votes
Prep Time
5 minutes
Cook Time
35 minutes
Total Time
40 minutes
Karlynn Johnston


  • 1 can 10 1/2 ounce Condensed Cream of Mushroom Soup
  • 1/2 cup milk
  • 1 teaspoon soy sauce
  • 1 dash black pepper
  • 2 cups cooked cut green beans
  • 2 cups of cooked asparagus
  • 1 1/3 cups French’s® French Fried Onions


  • Whisk together the soup, milk, soy sauce and black pepper until smooth and creamy. Add in the asparagus, green beans and 2/3 cup of the fried onions. Mix in a 1 1/2-quart casserole.
  • Bake at 350°F for 25 minutes or until the bean mixture is hot and bubbling.  Sprinkle with the remaining onions.
  • Bake for another 5 minutes or until the onions are golden brown.

Recipe Video

Recipe Notes

  • You can make this with fresh green beans as well, just steam them beforehand and add them in! 
  • You can leave both the green beans and the asparagus whole for an entirely different “look” to the dish. 

Nutrition Information

Calories: 111kcal, Carbohydrates: 10g, Protein: 2g, Fat: 6g, Saturated Fat: 3g, Cholesterol: 2mg, Sodium: 172mg, Potassium: 194mg, Fiber: 1g, Sugar: 3g, Vitamin A: 625IU, Vitamin C: 7mg, Calcium: 47mg, Iron: 1.3mg

All calories and info are based on a third party calculator and are only an estimate. Actual nutritional info will vary with brands used, your measuring methods, portion sizes and more.

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Shake up the classics and make this Asparagus Green Bean Casserole for your holiday meal! #Thanksgiving #Christmas #greenbean #casserole #asparagus #mushroomsoup #recipe

Karlynn Johnston

I’m a busy mom of two, wife & cookbook author who loves creating fast, fresh meals for my little family on the Canadian prairies. Karlynn Facts: I'm allergic to broccoli. I've never met a cocktail that I didn't like. I would rather burn down my house than clean it. Most of all, I love helping YOU get dinner ready because there's nothing more important than connecting with our loved ones around the dinner table!

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Reader Interactions

Comments & Recipe Tips Share a tip or comment!

  1. Diane Morris says

    I’m going to go with the fresh asparagus, let you know how it comes out

  2. Delores says

    I want to make this using whole green beans & asparagus. Do I cook the vegetables first or put them in raw?

    • Rose M Dolch says

      Recipe Notes
      You can make this with fresh green beans as well, just steam them beforehand and add them in!

  3. Mandy says

    We have been making this recipe strictly with asparagus for about 5 years now. This year I was hoping to do something a bit different! The idea of combining the 2 seems to be just the ticket! We absolutely love this casserole and it is truly a family tradition! Thanks for the additional idea!!

  4. Jodi Salatin says

    Hello, I’m just a little confused. Your recipe states 2 cups of canned asparagus, but when you’re talking about using fresh asparagus you say 4 cups!?!? I have some fresh asparagus here, but I’m not sure if I should add 2 or 4 cups. Thanks for your help, the recipe looks delicious!

    • Karlynn Johnston says

      Hey! sorry I wasn’t clear, I meant if you wanted to make it ALL asparagus, it’s 4 cups ( it’s 4 cups total of any and all vegetables in this). My bad! I will fix it so it’s clearer!

      • Jodi Salatin says

        Ohhh, ok! I gotcha, thanks so much for your quick response, I look forward to making this! ?

5 from 5 votes (5 ratings without comment)

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