Green Bean Casserole

November 11, 2019

An annual Thanksgiving Day traditional side dish that some can’t imagine celebrating the holiday without, green bean casserole can be as polarizing—you either love it or you hate it. Some can recall green bean casserole from their childhood with canned beans, cream of mushroom soup, and deep-fried dehydrated onion scraps. We suggest you reimagine this holiday casserole classic by making most of it from fresh green beans, mushrooms, and onions. Our homemade green bean casserole has a mushroom-speckled cream sauce, fresh and snappy green beans, and freshly frizzled onion straws. 

We used Primal Kitchen No-Dairy Roasted Garlic Alfredo Sauce (you can also use the No-Dairy Alfredo Sauce if you don’t want any garlic flavor) to make things a little easier. This dish takes a few steps to complete, but you can make the casserole part the day before, cover it and refrigerate it, fry the onion straws and bake the casserole on the big day to save a bit of time. You’ll be rewarded with crunchy green beans cloaked in creamy, earthy sauce, topped with crispy tangles of lightly battered onion wisps. No mushy, brown-tinted canned green beans, no gloopy canned sauce, and no over-salted, greasy onion dust. If you haven’t tried a homemade version of green bean casserole made with fresh green beans and mushrooms, high-quality sauce, and make-it-yourself fried onions, find out what you’ve been missing and make it this year.

Green Bean Casserole

Green Bean Casserole

Time: 55 minutes

Servings: 8


For the crispy onion topping:

  • Primal Kitchen Avocado Oil for frying (fill the oil halfway up the sides of your frying vessel)
  • ¼ cup Cassava Flour
  • ¼ cup Arrowroot Flour
  • ½ teaspoon salt
  • Extra salt for seasoning
  • ½ onion, sliced super thin  

For the rest of the casserole, you will need:


To make the crispy onion topping:

  • Heat fryer to 390ºF. We used an Instant Pot and fry basket to shallow fry the onions, but you can use a pot on the stove and measure the temperature with a candy thermometer. Add enough oil to your vessel so it reaches about halfway up the sides of the pot.

Green Bean Casserole

  • Slice half of an onion into thin rings, and cut those rings in half.
  • Make batter; toss onion slices in it to coat.
  • Don't fry all at once—fry in batches, depending on the size of your fryer or pot.

Green Bean Casserole

  • Note: Try to "sprinkle" the onion rings into the oil but understand they will clump together in a nest… and that's OK.
  • Fry for 2–3 minutes and flip to fry for another 2–3 minutes.
  • Remove from oil and place on a paper towel-lined cookie sheet.

Green Bean Casserole

  • Quickly season with salt (lightly). Let cool, and then break the onion nests apart.

Warning: These onion crisps are incredibly tasty. Be careful to not eat all of them as you cook.

To make the green bean casserole:  

  • Preheat oven to 350ºF.   
  • Boil green beans until tender, about 4–5 minutes, drain, and set aside.  

Green Bean Casserole

  • Heat 1 tablespoon avocado oil in a large skillet over medium-high heat. Saute mushrooms and onions for about 8 minutes or until golden. Season with salt and pepper, and set aside.  

Green Bean Casserole

  • In the same skillet, heat 3 tablespoons avocado oil. Sprinkle in cassava flour and whisk for one minute until golden.  
  • Pour Alfredo sauce into the skillet, and whisk for about a minute.  
  • Add in the mushroom/onion mix, and whisk.  
  • Add in cooked green beans, and turn off the stove.   
  • Pour beans and sauce into a 9 x 13” baking dish.   
  • Top with fried onions and bake, uncovered, for 30 minutes. 

Green Bean Casserole

Nutritional information (per serving): 

Calories: 264

Carbs: 22 grams

Fat: 19 grams

Protein: 2.5 grams

Green Bean Casserole

Nutritional information calculated using Cronometer. 

You might also like these other Thanksgiving recipes:

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