Green Bean Casserole with Onion Rings

(2 votes)
32 Comments
3 minutes
June 21, 2023
Andi GleesonJump to Recipe

This savory Green Bean Casserole is made with a homemade creamy mushroom sauce and topped with crispy onion rings for a side dish to remember!

Green Bean Casserole with Onion Ring Topping

How did rolling the clocks back go for you? I can tell you that the fall time change is pretty brutal when you have early birds. My boys were up at 4am that first day! At least I went to bed early the night before, so it wasn’t as bad as it sounds. I’m sure we’ll all adjust soon enough.

When you wake up early, it is nice to not have to wait until 7:30am for the sun to come up. It’s hard to spring out of bed when the sun won’t be shining for hours.

Green Bean Casserole

I actually really like this time change once we’re settled into it because the early sunset makes me finally feel like fall is here. The boys and I suddenly feel like we have a nightlife when it’s dark at 5pm since that’s about as late as we’re ever out. I’m also excited to think about the upcoming holidays, especially the feast that is Thanksgiving.

Do you cook the same things year after year for Thanksgiving or change it up? We have our standards like ground turkey and green beans, dressing, roasted vegetables, cranberry sauce, and green bean casserole, but sometimes I try making them in different ways.

Green Bean Casserole with Onion Ring

I think this green bean casserole is going to be the winner for this year’s turkey day. The sauce is made from scratch instead of the good ol’ cream of mushroom soup version (although I love that classic one too!), and the crispy onion rings on top are way better than canned fried onions.

Green Bean Casserole with Onion

You could add diced chicken to this casserole to make it a full dinner, serve it as a side for a holiday meal, take it to a potluck, or just have it on the side any time of year. Whenever you decide to enjoy this green bean casserole, I hope your family loves it!

Green Bean Casserole with Onion Ring Topping Recipe
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Green Bean Casserole with Onion Ring Topping - This delicious casserole is made with a homemade creamy mushroom sauce and topped with crispy onion rings for a holiday side dish to remember!

Green Bean Casserole with Onion Rings

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5 from 2 reviews

This creamy green bean casserole is topped with onion rings instead of the traditional fried onions.

  • Total Time: 40 minutes
  • Yield: 4 1x

Ingredients

Units Scale
  • 1 tablespoon butter
  • 1/2 cup finely chopped mushrooms
  • 2 cloves garlic minced or crushed
  • 1 tablespoon flour
  • 1 cup milk
  • 1/2 cup half and half
  • 1/2 tsp. kosher salt
  • freshly ground black pepper
  • 1/2 cup shredded Italian blend cheese Swiss or monterey jack would also be great
  • 16 ounces frozen French cut green beans (not canned!)
  • 13 ounces frozen onion rings

Instructions

  1. Preheat oven to 375 degrees F. Spray a 9 x 13″ baking dish with cooking spray.
  2. In a large skillet, melt butter over medium heat. Stir in mushrooms and garlic, and saute for about two minutes. Stir in flour until smooth. Stir in milk about ¼ c. at a time, stirring constantly to avoid lumps.
  3. Add half and half, salt, and pepper to taste. Bring to a simmer.
  4. Stir in cheese until melted. Stir in frozen green beans, and transfer mixture to prepared baking dish.
  5. Arrange onion rings over the top, and bake in preheated oven for 30-40 minutes.
  6. Press onion rings down into the casserole a bit about halfway through baking.
  7. Casserole is done when it is bubbly and onion rings are golden brown.

Notes

You can use all milk instead of milk and half and half if you prefer, but the sauce won’t be quite as rich.

  • Author: Andi
  • Prep Time: 10
  • Cook Time: 30

Want more green bean recipes? Give these a try!

Andi Gleeson, food blogger

Andi Gleeson

Andi Gleeson is a passionate blogger and mom based in San Francisco who focuses on easy and delicious dinner recipes.

32 comments

danleep11
5 years ago

This is a great recipe. I transformed it into vegan which is generally easy for many if not most non-vegan recipes. I also trimmed down the baking time by simply pot heating the mushroom mix, dumping into the casserole dish with the onions on top and then baking just a few minutes until browned (maybe 5). The mushroom gravy/soup is simply wonderful. Thanks…

Staci Anderson
5 years ago

Is there a good way to prepare this the night before or morning of Thanksgiving? I want to take it to our gathering but will be traveling 2-1/2 hours and I don’t want to take up valuable cooking space in the host’s kitchen to prepare it at her house.

Sammy Garcia
7 years ago

Do you have to use half and half?

vanesss
7 years ago

I make this recipe for thanksgiving every year
but i use broccoli instead of green beans
let me tell you it’s soooo good
even on other holidays or potlucks I have people asking me can you bring your onion ring casserole
one of my favorite recipes ever

Mel Raschke
7 years ago

Such a good idea. I am saving this for Christmas Eve.

Mel Raschke
7 years ago

Such a great idea with the onion rings. Not cooking Thanksgiving dinner this year, but will use this for Christmas Eve.

Melissa
8 years ago

“Onion ring topping” is one of the most beautiful sentences I’ve ever heard.

Andi Gleeson
8 years ago

Haha thanks, Melissa! Glad you like it :)

Brittany B
10 years ago

This is such a good idea! Onion rings are the best. I’m definitely pinning this one.

Andi
10 years ago

Thanks a lot, Brittany! Hope you had a nice weekend :)

Jennifer Edsall
10 years ago

How would you adapt this to use fresh green beans? THANKS

Andi
9 years ago

Hi, Jennifer. Sorry it took me a couple days to get back to you! Usually fresh and frozen beans cook similarly, but this recipe uses french cut beans. If you want to take the time to cut fresh beans that way, you could keep the recipe the same. If you want to use kitchen-cut green beans, you might want to lightly steam them first so they don’t turn out too crisp. Hope that helps!

Justine@CookingandBeer
10 years ago

I was SOOO ready for the clocks to change! I hate waking up in the dark! Onion rings on green bean casserole!? Why have I never thought of this?! Genius!

Andi
10 years ago

I like the time change except for the insane waking hours of my precious children. Hopefully they’ll adjust soon! Thanks about the casserole, Justine :)

Annie @Maebells
10 years ago

This is so fun! I love the twist with onion rings on top, why has this not been done before! Genius!

Andi
10 years ago

Thank you, Annie! Unfortunately the onion rings aren’t GF, but maybe you could make your own :) Whole Foods might have some GF onion rings! I’m going to check.

Kristine @ Kristine's Kitchen
10 years ago

4 am? Oy! My kids slept till about 6:15, instead of their usual 7:15, which I can totally handle. I hope yours adjust to the time change soon! I love how you made homemade mushroom sauce for your casserole, and that is just brilliant to top it with onion rings!

Andi
10 years ago

Today they made it to 5am, so I think we’re moving in the right direction! 7:15 sounds heavenly to me. Thank you, Kristine!

Jamie | Jamie's Recipes
10 years ago

ONION RINGS! Brilliant!! I always eat the fried onions off first anyway so making them giant onion rings seems like the most natural progression for me. I can’t wait to try this!

Andi
10 years ago

Thanks a lot, Jamie! I think you’ll love it this way!

Julie @ This Gal Cooks
10 years ago

Why have I never thought to do this? Onion rings > French Fried Onions. Great recipe, Andi!

PS, I love the extra hour in the day but hate that it’s dusk when I leave work!

Andi
10 years ago

Thanks so much, Julie! Maybe you can leave work earlier since it will seem like night at about 4:45 soon :)

Sara @ Bitz & Giggles
10 years ago

Oh my, Andi. Green Bean Casserole is one of my favorite sides of ALL TIME. The fact that you put onion rings on top is pure genius. Pinning and sharing!

Andi
10 years ago

Thank you so much, Sara! I appreciate it!

Jen @ Yummy Healthy Easy
10 years ago

Oh my, Andi. You are so creative! What a great use of frozen onion rings! I love this version of green bean casserole. I’m going to have to try this soon, I can’t wait until Thanksgiving!

Andi
10 years ago

Thank you, Jen! I’m so excited for Thanksgiving too!

Jaren (Diary of a Recipe Collector)
10 years ago

Yummo! I have such a weakness for onion rings and Green Bean Casserole is always my favorite side dish!! I can’t wait to try this one!

Andi
10 years ago

Thank you, Jaren! Maybe you can try it this way this year :)

Carol at Wild Goose Tea
10 years ago

What a wonderful enhancement to this tried and true recipe. I am liking it. If this doesn’t show up on the holiday table, there are some unhappy diners. So what a good way to change it up a bit.

Andi
10 years ago

Thank you, Carol! Your Thanksgiving must be so fun because YOU’RE there! :)

Gina
10 years ago

Holy SMACKERS!!!!!!!!! I could eat this whole thing – YUM!!!!!

Andi
10 years ago

Haha you are so cute, Gina. Thank you!

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