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Homemade Green Bean Casserole Recipe

At the Campbell Soup Company, Dorcas Reilly developed the recipe in 1955. If you see the history of homemade Green Bean Casserole, it is one of the staple foods for Americans. It is a popular side dish for Thanksgiving dinners and has been described as iconic. It only needs eleven ingredients, which haven’t changed, containing green beans, mushroom soup, milk, soy sauce, ground black pepper, and French fried onions.

homemade Green Bean Casserole

How To Make Homemade Green Bean Casserole Recipe

homemade Green Bean Casserole

To start with the homemade Green Bean Casserole recipe from scratch, follow the steps below as given in the instructions. The baking preparation time is only 30 minutes. So, why do you hesitate? Simply follow the recipe’s directions and ingredients to prepare this delicious dish.

Prep Time

On serving day, bake covered at 350°F for 30 mins, then uncovered until bubbly (approx. 10 mins). Top with more fried shallots before serving.

homemade Green Bean Casserole Ingredients


In a large skillet, melt 4 tablespoons of butter over medium-high heat. Cook onions until tender and caramelized, stirring often for about 7-8 minutes. Add mushrooms and cook for an additional 4 minutes. After stirring in the garlic, cook the mixture for 1 minute, and then transfer it to a bowl.

    • In the same skillet, melt the remaining 4 tablespoons of butter over medium heat. Add flour or cornstarch and whisk quickly. Cook and whisk for about 2 minutes. Stir in half-n-half, salt, and pepper. Cook for 4-5 minutes until the mixture thickens. Check for seasoning.
    • Preheat the oven to 350 degrees. Boil a large pot of water and cook green beans for 6-7 minutes. Drain and cool in an ice bath (optional).
    • Mix the onion-mushroom mixture with the cream sauce. Add green beans and stir to coat. Optionally, sprinkle with parmesan cheese. Pour into a 9 x 9 baking dish.
    • Bake for 25 minutes or until bubbly. Remove from the oven, cover with fried onions, and bake for an additional 5 minutes. Serve immediately if possible.


Green bean casserole is an American baked dish consisting primarily of green beans, cream of mushroom soup, and French fried onions. It is preferred to use refreshed, frozen, or canned green beans, if you use canned green beans, it takes less time to cook ahead. The mushroom sauce has to be thick so that it forms a thick coat around the green beans. Cut the fresh beans in half for a reasonable bite size.

Nutrition Facts

Here’s a general estimate per serving (approximately 1 cup):

Calories: 200-250 calories
Total Fat: 12-15 grams
Saturated Fat 6-8 grams
Cholesterol: 30-40 milligrams
Sodium: 400-500 milligrams
Total Carbohydrates: 15-20 grams
Dietary Fiber 2-4 grams
Sugar 2-4 grams
Protein 4 – 6 grams

Health Benefits

Homemade Green Bean Casserole, especially when made with fresh ingredients and homemade sauce, offers several health benefits:

  • Nutrient-Rich: Fresh green beans are a good source of essential nutrients such as vitamins C and K, as well as folate and fiber. These nutrients are important for supporting overall health, immune function, and digestive health.
  • Low-Calorie Option: Green beans are naturally low in calories, making them a great addition to a balanced diet, especially for those looking to manage their weight.
  • Antioxidants: Both green beans and mushrooms contain antioxidants, such as beta-carotene and selenium, which help protect cells from oxidative stress and may reduce the risk of chronic diseases.
  • Reduced Preservatives: Making the casserole from scratch using fresh ingredients means fewer preservatives and artificial additives compared to store-bought versions.
  • Healthy Fats: While the recipe contains butter, using it in moderation provides a source of healthy fats that are essential for nutrient absorption and overall health.
  • Flexibility: The recipe can be modified to accommodate dietary preferences, such as using gluten-free flour or plant-based butter alternatives, making it suitable for various dietary needs.
  • Homemade Ingredients: Preparing the mushroom sauce from scratch allows you to control the ingredients, making it possible to reduce sodium or use organic options if desired.

Bottom Line:

If you like creamy, buttery, and yummy green bean casserole with mushroom sauce, then this can be a perfect recipe for your family on Thanksgiving. It is yummy and can give a warm touch to your kids. The thick mushroom sauce with the green beans is just delicious and mouth-watering. It is sure that no one can resist its rich flavours and that is also a balanced one. Enjoy!



Welcome! I’m Sumi, and I have a love for FOOD. Here, we’re all almost the pleasure of homemade delicious recipes.
Have you tried out one of my recipes? Share your culinary creations with us by tagging @eatfreshs on Instagram – I’d love to see your delicious dishes and connect with enthusiasts like you!

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