Mashed Potato Green Bean Casserole is a delicious combination of two of my favorite Thanksgiving sides. On the bottom, a creamy layer of mashed potatoes covered by a cheesy green bean casserole. Each one tastes incredible on its own, but even better when combined into one extraordinary side.
Best thing about the recipe?
It’s a total breeze to prepare thanks to Simply Potatoes Traditional Mashed Potatoes®.
Simply Potatoes Traditional Mashed Potatoes are made from real ingredients, fresh never frozen potatoes. You can find them in the refrigerated section of your store or learn more about them here.
No time wasted peeling potatoes. These potatoes are ready to be heated and eaten. So much prep time is saved and they are my go-to secret weapon to easily prepare a meal the whole family will enjoy.
I’ve yet to meet a kid who doesn’t like mashed potatoes and I love how versatile Simply Potatoes Traditional Mashed Potatoes are. They are delicious as is or in your favorite recipes and so much fun to use to create fun, unique recipes like this Mashed Potato Green Bean Casserole.
Since most of the work is done for you, you can quickly and easily transform them into Cheesy Bacon Mashed Potatoes or make a weeknight Shepherd’s Pie in no time at all. The options are endless.
But I think you’re really going to love the way a layer of Green Bean Casserole (with cheddar cheese no less!) tastes on top of these mashed potatoes. I use fresh green beans, but you can use canned, plus a can of cream of mushroom soup, a little milk and soy sauce, and lots of French fried onions.
Trust me when I say if you’re a fan of green beans casserole and you like mashed potatoes (who doesn’t?) you are going to love this Mashed Potato Green Bean Casserole!
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- 2 (24-ounce) packages Simply Potatoes Traditional Mashed Potatoes
- black pepper, to taste
- 4 cups cooked green beans
- 1 (10.5-ounce) can condensed cream of mushroom soup
- 1/3 cup milk
- 1 teaspoon soy sauce
- 1 1/2 cups shredded cheddar cheese, divided
- 1 (6-ounce) can French fried onions, divided
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Preheat oven to 350 degrees.
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Transfer Simply Potatoes Mashed to a lightly greased 9x13-inch pan and use a rubber spatula to smooth into an even layer.
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Season potatoes to taste with pepper.
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In a large bowl, combine green beans, soup, milk, soy sauce, cheddar cheese, and half of French fried onions. Stir to mix and pour on top of potatoes.
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Sprinkle remaining onions on top.
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Place in oven an bake for 25 to 30 minutes.
Giveaway
To enter Giveaway leave a comment below letting us know your favorite way to flavor up your mashed potatoes. Must be a US resident to enter.
This is a sponsored conversation written by me on behalf of Simply Potatoes®. The opinions and text are all mine.
Has anyone tried using sweet potatoes?
A favorite weeknight quick-fix is to mix corn niblets and creamed corn together for a gravy on our mashed potatoes…. lots of butter of course 🙂
I love to add sour cream & chives to my mashed potatoes
My potatoes always get LOTS of garlic and cheddar, sometimes parmesan, and bit of water or skim milk if too thick. Have been looking for recipes to use my bountiful bean harvest, so this looks like a winner
I love to add chopped scallions, salt and pepper, a little horseradish, and sour cream. Delicious and a little different. People will ask what is that great taste in the potatoes.
Sharp cheddar, chives and garlic!
I absolutely love blue cheese with my potatoes! That’s only if I’m making them just for myself though, for my family I like to add chives and sour cream.
This seems flawless, why change a thing?
I love making mashed potatoes with mushroom and spinach gravy.
I love to add bacon, cheese and a little serrano pepper to my mashed potatoes. So good!
I love to use chicken broth, garlic and salt to flavor my mashed potatoes!
I love to add garlic to mashed potatoes and top with a butercrumb topping also! So yummy. Sometimes I like to dice some scallions for the top as well. I just love mashed potatoes.
I love adding garlic and cheese to my mashed potatoes.
I like to add roasted garlic and cheese.
I like to leave the skins on.
Garlic mashed potatoes have to be my favorite! My cousin is making them today and I can’t wait! There’s so much garlic, yum!! Happy Thanksgiving!
I like to add roasted garlic to mashed potatoes. Yummy!
REAL BUTTER! I grew up calling margarine “butter” and ever had the real stuff until I was an adult. Never have gone back!
I agree, Gina. Butter tastes so much better than margarine!
Lots of butter.
I like to add cheddar cheese to mashed potatoes.
I’m a fan of traditional mashed potatoes, but gravy and LOTS of black pepper are a must!
I like to add white cheddar cheese, garlic and siracha
I use sour cream and lots of butter!
I like to make loaded mashed potatoes sort of like loaded baked potatoes. I add: cheese, milk/cream, sour cream, chives, butter, and bacon.
Gravy for the win! But if I can’t have gravy, dill and butter are pretty great 🙂
Definitely gravy for my mashed potatoes!
Garlic, butter and salt, or if it’s Thanksgiving, gravy!
This must seem weird but I loooove some Brie melting on my mashed potatoes!!
There’s nothing like homemade gravy for mashed potatoes
We always add parmesan cheese and we sometimes will add grilled onions.
I like flavoring them with garlic, butter and fresh herbs!
These potatoes have some real razzle dazzle! I could pretty much just have mashed potatoes for supper, and you’re getting me one step closer to actually being able to call them a meal and get away with it. Because people make meals out of sides, right? I wouldn’t just be eating potatoes anymore. ?
Butter and roasted garlic…..
A little cream, a fair amount of butter and a sprinkle of salt and I’m set! Especially if there’s fresh turkey gravy to ladle over them.
This looks so delicious and easy! Will have to try. Thanks for the giveaway too!
Thanks for the giveaway and great recipe. Unfortunately, I do know a kid who doesn’t like mashed potatoes and for the life of me, I can’t figure out why. I’ve tried them every kid friendly way you can imagine. Anyway, I like to add roasted garlic to my mashed potatoes. Since the munchkin won’t eat them, I only make them for the grown ups and we like lots of garlic, lol.
COPIOUS butter and rosemary. we like a little seasoned salt too. 🙂
My favorite way to flavor up my mashed potatoes is with roasted garlic.
I like to add blue cheese to mashed potatoes, so decadent!