Traditional Green Bean Casserole

This easy and very traditional green bean casserole combines mushroom soup with loads of crunchy fried onions for a favorite Thanksgiving side.

Traditional Green Bean Casserole | 2 Cookin Mamas An easy green bean casserole that mixes mushroom soup with crunchy fried onions for a favorite Thanksgiving side. #recipe

Thanksgiving wouldn’t be complete without the traditional green bean casserole. And now that we’ve got the roasted turkey, classic dressing, perfect mashed potatoes and our favorite sweet potato casserole out of the way, it’s time for the vegetable to take center stage.

Traditional Green Bean Casserole prep | 2 Cookin Mamas

This one is so easy to prepare and has been a tradition in our home for longer than I can remember. I don’t think I could ever leave it off the Thanksgiving table or I would feel that something was missing. I found, from talking to others that it’s a favorite on their holiday tables as well.

Traditional Green Bean Casserole overhead | 2 Cookin Mamas

It’s so simple to put together and uses premade off-the-shelf ingredients. All you have to do is mix them together and throw it in the oven beside the turkey. If you are nervous about getting everything done, don’t forget to print out our handy dandy No Stress Thanksgiving planner to make it all come together with ease.

Traditional Green Bean Casserole spoonful | 2 Cookin Mamas

And for all those out there that are gluten-intolerant, like my daughter, I have also included a gluten-free option. It’s a little more involved but just as delicious.

Enjoy and Happy Thanksgiving!

Prep Time
10 mins
Cook Time
30 mins
Total Time
40 mins
This easy and very traditional green bean casserole combines mushroom soup with loads of crunchy fried onions for a favorite Thanksgiving side.
Servings: 6 servings
Author: Linda Warren
  • 10-3/4 oz. can Cream of Mushroom Soup
  • 3/4 cup milk
  • 1/8 teaspoon black pepper
  • 1-1/3 cups canned French Fried Onions
  • 29 oz or 2 14.5-oz cans French style green beans, drained
  1. Preheat oven to 350 degrees. Prepare a 1-1/2 quart casserole dish by spraying with a nonstick spray or wipe with butter.
  2. Combine soup and milk, then add pepper, beans and 2/3 cup onions and pour into prepared casserole.
  3. Bake for 30 minutes. Stir. Top with remaining onions and bake for 5 more minutes.
Recipe Notes

Gluten-Free/Dairy-Free Green Bean Casserole option:


To make your own fried onions instead of canned, slice a large onion into thin slices and toss with rice flour. Shake off excess. Place 1/2" vegetable oil in skillet, heat over medium-high heat and, when the tip of an onion ring sizzles, place a handle full of onion slices in oil and crisp up. Repeat with all remaining onion slices then set on paper towel to drain off excess fat. Let cool and use in place of canned fried onions.


To make your own mushroom soup and leave out the condensed soup and milk in the recipe above, combine 2 T. olive oil, 1 small chopped onion and 1/2 teaspoon minced garlic in a skillet and saute for 5-6 minutes. Add in 8-oz. chopped white mushrooms and a little more olive oil as needed. Cook another 3 minutes then stir in 1-3/4 cup of plain almond or coconut milk and a pinch of thyme and bring to a boil. Whisk in a thickening paste of 2 Tablespoon cornstarch and 1/4 cup almond or coconut milk. Stir continuously for 1 minute then reduce heat and let simmer for 5 minutes. Season to taste with salt and pepper.


Continue to assemble and cook as stated above.

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This easy & traditional green bean casserole combines mushroom soup with loads of crunchy fried onions for a favorite Thanksgiving side. #greenbeans #casserole #sidedish #greenbeancasserole

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