Save Old-School Green Bean Casserole is a timeless American side dish that evokes memories of family gatherings and holiday dinners. This creamy, comforting casserole features tender green beans bathed in a savory mushroom sauce, topped with irresistibly crispy fried onions. Its blend of textures and rich flavors makes it a beloved classic that's easy to prepare and sure to please crowds.
Save This casserole balances wholesome vegetables with a rich, velvety sauce, making it a comforting accompaniment to roast meats or festive meals. Its appeal lies in combining simple ingredients into a satisfying dish that feels both casual and special, perfect for any family occasion.
Ingredients
- Vegetables
- 900 g (2 lb) fresh green beans, trimmed and cut into 5 cm (2-inch) pieces (or substitute with 900 g frozen cut green beans, thawed and drained)
- Sauce Base
- 2 tbsp unsalted butter
- 250 g (9 oz) cremini or button mushrooms, sliced
- 1 small yellow onion, finely chopped
- 2 garlic cloves, minced
- 2 tbsp all-purpose flour
- 240 ml (1 cup) whole milk
- 120 ml (½ cup) heavy cream
- 120 ml (½ cup) low-sodium vegetable broth
- 1 tsp salt
- ½ tsp black pepper
- ½ tsp ground nutmeg (optional)
- Topping
- 150 g (1½ cups) crispy fried onions (store-bought or homemade)
Instructions
- 1. Preheat the oven to 180°C (350°F).
- 2. Bring a large pot of salted water to a boil. Add green beans and cook for 5 minutes until just tender but still bright green. Drain and immediately rinse under cold water to stop cooking. Set aside.
- 3. In a large skillet over medium heat, melt the butter. Add mushrooms and cook for 5-6 minutes until tender and browned. Add onion and garlic, cooking for another 2-3 minutes until softened.
- 4. Stir in the flour and cook for 1 minute, stirring constantly. Gradually whisk in milk, cream, and broth. Bring to a simmer and cook until thickened, about 5 minutes. Season with salt, pepper, and nutmeg (if using).
- 5. Add the drained green beans to the skillet and toss to coat evenly in the sauce.
- 6. Transfer the mixture to a 2-liter (2-quart) baking dish. Sprinkle half of the crispy fried onions on top.
- 7. Bake for 25 minutes until bubbling. Remove from oven, top with remaining onions, and bake for 5-7 minutes more until golden and crisp.
- 8. Let cool for 5 minutes before serving.
Zusatztipps für die Zubereitung
For extra richness, try adding 50 g of grated sharp cheddar or Gruyère cheese to the sauce before baking. This addition deepens the flavor and melts beautifully into the creamy base. Also, the green beans can be blanched fresh or replaced with thawed frozen beans for convenience without compromising taste.
Varianten und Anpassungen
You can make this casserole ahead of time by assembling everything through step 6 and refrigerating for up to 24 hours. Add the crispy fried onions right before baking to preserve their crispness. To suit dietary preferences, ensure the fried onions are made without gluten or soy if needed.
Serviervorschläge
This classic casserole pairs exceptionally well with roast turkey or chicken, making it a staple for holiday spreads. It also complements vegetarian mains by adding a creamy vegetable side that satisfies and adds texture to the meal.
Save With its comforting creamy sauce and crisp onion topping, this Old-School Green Bean Casserole brings warmth and tradition to any table. Whether it’s for a festive occasion or a simple family dinner, this dish continues to be a beloved favorite across generations.
Recipe Questions & Answers
- → Can I use frozen green beans instead of fresh?
Yes, frozen green beans work well if thawed and drained properly to avoid excess moisture.
- → What can I substitute for crispy fried onions?
Homemade fried onions or toasted breadcrumbs can add a similar crunchy topping.
- → Is it possible to add cheese to this dish?
Adding grated sharp cheddar or Gruyère to the sauce enriches the flavor and creaminess.
- → How can I prepare this dish ahead of time?
Assemble the green beans and sauce, refrigerate up to 24 hours, then add the topping and bake before serving.
- → What flavors enhance the mushroom sauce?
Garlic, onion, and a pinch of nutmeg gently deepen the savory cream sauce’s profile.