Introduction
Green bean casserole is a beloved classic that has graced holiday tables and family gatherings for generations. This comforting dish combines the earthy flavors of green beans with a creamy, savory sauce, making it a staple in many households. The combination of fresh ingredients and rich flavors creates a warm and inviting meal that everyone can enjoy.
What makes this recipe even more appealing is its one-pan nature. Not only does it simplify the cooking process, but it also minimizes the cleanup, making it perfect for busy home cooks. With this one-pan green bean casserole, you can easily whip up a delicious dish that looks as good as it tastes, featuring fresh green beans, a velvety sauce, and a crispy onion topping that adds the perfect crunch.
In this article, we’ll guide you through the process of creating this delightful casserole that promises to be a hit at your next family gathering or holiday feast.
Recipe Overview
– Total Time: 45 minutes
– Servings: 6
– Difficulty: Easy
Ingredients
– 1 pound fresh green beans, trimmed
– 1 medium onion, diced
– 8 ounces mushrooms, sliced (cremini or button)
– 2 cloves garlic, minced
– 1 cup heavy cream
– 1 cup vegetable broth
– 1 teaspoon soy sauce
– 1 teaspoon Dijon mustard
– 1 cup crispy fried onions
– Salt and pepper to taste
– Olive oil for sautéing

Instructions
1. Preheat your oven to 350°F (175°C).
2. Blanch the green beans in boiling water for 3-4 minutes until bright green and slightly tender. Drain and set aside.
3. In a large skillet, heat olive oil over medium heat. Add the diced onion and sauté until translucent, about 5 minutes.
4. Add the sliced mushrooms and cook until they release their moisture and begin to brown, about 5-7 minutes.
5. Stir in the minced garlic and cook for an additional minute until fragrant.
6. Pour in the heavy cream and vegetable broth, followed by the soy sauce and Dijon mustard. Stir to combine.
7. Season the mixture with salt and pepper to taste. Allow the sauce to simmer for 5 minutes, letting it thicken slightly.
8. Add the blanched green beans to the skillet and stir until they are well coated with the sauce.
9. Top the casserole with crispy fried onions evenly across the surface.
10. Transfer the skillet to the preheated oven and bake for 20 minutes, or until the onions are golden brown and crispy.
The Allure of One-Pan Meals
One-pan meals are a game-changer in the kitchen, offering unmatched convenience without sacrificing flavor. They streamline the cooking process, allowing you to prepare a delicious dish with minimal effort and fewer dishes to clean afterward. This is especially beneficial for busy home cooks who want to spend less time in the kitchen and more time enjoying their meals with family and friends.
Not only do one-pan meals save time, but they also provide an opportunity to infuse various flavors into a single dish. This one-pan green bean casserole is a perfect example, blending the freshness of green beans, the earthiness of mushrooms, and the richness of a creamy sauce all in one vessel. It’s an ideal choice for family gatherings or holiday meals, where the focus should be on togetherness and enjoyment rather than complicated cooking processes.

Tips for a Perfect One-Pan Green Bean Casserole
Importance of Balancing Flavors
Achieving the right balance of flavors is crucial in any casserole, especially in this green bean version. The saltiness from soy sauce and Worcestershire sauce enhances the overall taste while complementing the natural sweetness of the green beans. Taste your sauce before mixing it with the beans, adjusting the seasoning as needed to ensure a harmonious flavor profile.
Incorporating Green Beans
To ensure that your green beans are evenly coated with the sauce, follow these techniques:
1. Tossing Technique: Gently toss the green beans in the sauce with a spatula, making sure every piece is well-coated. This step is vital for flavor distribution.
2. Visual Cues: Look for a glossy appearance on the green beans, indicating that they are well-coated. They should not be swimming in the sauce but rather lightly dressed.
Adding the Crunchy Topping
French fried onions play a significant role in providing texture and a satisfying crunch to your casserole. For an elevated flavor, consider making homemade fried onions. Simply slice onions thinly, dredge them in flour, and fry until golden brown. This method not only enhances the taste but also allows you to control the seasoning and oil used.
Baking the Casserole
The baking process is essential for melding the flavors and achieving the perfect consistency. Here are some tips:
– Checking Doneness: Look for bubbling sauce around the edges and a golden brown color on the top. The casserole should be heated through, which typically takes about 25-30 minutes at 350°F (175°C).
– Covering with Foil: If you notice that the onions are browning too quickly, cover the casserole with foil for the initial baking period, then uncover for the last few minutes to crisp the topping.
Crisping the Onions
To achieve the perfect crunch, the final step is crucial. After baking, increase the oven temperature to 400°F (200°C) for about 5-7 minutes. This not only crisps the onions but also adds a beautiful golden color, enhancing the dish’s presentation.
Serving Suggestions and Presentation Ideas
For an appealing presentation, consider garnishing the casserole with freshly chopped parsley or a sprinkle of paprika for color. Pair the green bean casserole with roasted chicken or turkey for a classic meal. A light salad can also complement the richness of the casserole.
When serving, this dish is best enjoyed hot; however, it makes for excellent leftovers. Reheat in the oven for a crispy texture or in the microwave for a quick meal.
Nutritional Benefits of Green Beans
Green beans are not only delicious but also packed with nutrients. They are a great source of vitamins A, C, and K, as well as fiber and antioxidants. Using fresh, wholesome ingredients in your casserole maximizes these nutritional benefits, making your meal both healthy and satisfying.
Conclusion
This One-Pan Green Bean Casserole is a testament to ease of preparation, delicious flavor, and comforting appeal. With its balanced flavors, crunchy topping, and simple assembly, it’s a dish that anyone can master. We encourage you to try this recipe, savor the satisfaction of a home-cooked meal, and enjoy the delightful experience it brings to your dining table.

One-Pan Green Bean Casserole with Crispy Onions
Ingredients
- 0.45 lb fresh green beans
- 0.24 L heavy cream
- 0.24 L vegetable broth
- 0.12 kg sliced mushrooms
- 1.0 medium onion
- 2.0 cloves garlic
- 0.01 cup soy sauce
- 0.01 cup Worcestershire sauce
- 0.01 cup Dijon mustard
- 0.2 kg French fried onions
- 0.01 cup salt
- 0.005 cup black pepper
- 0.01 cup dried thyme
- 0.015 cup olive oil
- 0.015 cup butter
Instructions
- Prepare the Green Beans: In a large mixing bowl, blanch the trimmed green beans in boiling salted water for about 3 minutes. Drain and immediately transfer them to a bowl of ice water to stop the cooking process. Once cooled, drain and set aside.
- Sauté the Vegetables: In a large oven-safe skillet or pan, heat the olive oil and butter over medium heat. Add the thinly sliced onion and cook for 5-7 minutes, or until they turn golden and caramelized. Add the garlic and mushrooms, and continue to sauté for an additional 3-4 minutes until the mushrooms are tender and have released their moisture.
- Prepare the Sauce: To the skillet, add in the heavy cream, vegetable broth, soy sauce, Worcestershire sauce, Dijon mustard, salt, black pepper, and thyme. Stir well to combine, ensuring the mixture is uniform.
- Combine Ingredients: Add the blanched green beans to the skillet, stirring until the beans are well-coated with the creamy sauce and evenly distributed.
- Add Topping: Sprinkle half of the French fried onions over the green bean mixture. Stir gently to mix them in, while preserving some to remain crispy on top.
- Bake the Casserole: Preheat your oven to 350. Transfer the skillet to the preheated oven and bake for about 25-30 minutes or until the casserole is bubbling and golden.
- Finish with Crispy Onions: Remove the casserole from the oven and sprinkle the remaining French fried onions over the top. Return it to the oven for an additional 5 minutes to make the onions crispy.
- Serve: Let the casserole cool for a few minutes before serving. Garnish with additional thyme if desired, and enjoy your delicious, creamy, one-pan green bean casserole!
