Save A nostalgic, creamy side dish featuring tender green beans, savory mushrooms, and crispy fried onions—a classic for holiday feasts and family dinners.
This green bean casserole brings back cherished memories of family dinners and festive celebrations.
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
- Preheat Oven:
- Preheat the oven to 180°C (350°F)
- Cook Green Beans:
- 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
- Sauté Vegetables:
- 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
- Make Sauce:
- 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
- Combine:
- Add the drained green beans to the skillet and toss to coat evenly in the sauce
- Assemble Casserole:
- Transfer the mixture to a 2-liter (2-quart) baking dish Sprinkle half of the crispy fried onions on top
- Bake:
- Bake for 25 minutes until bubbling Remove from oven top with remaining onions and bake for 5 7 minutes more until golden and crisp
- Cool & Serve:
- Let cool for 5 minutes before serving
Save My family always looks forward to this dish at holiday dinners it's a beloved tradition that never fails to impress
Required Tools
Large pot, Colander, Large skillet, Whisk, 2-liter (2-quart) baking dish, Oven
Allergen Information
Contains Milk (dairy) Wheat (gluten in flour and fried onions) Soy (possible in store bought fried onions) Double-check labels for fried onions and broth for allergens
Nutritional Information
Per serving: 265 Calories, 15 g Total Fat, 25 g Carbohydrates, 6 g Protein
Save This classic green bean casserole adds warmth and nostalgia to any meal perfect for sharing with loved ones
Cooking Questions
- → Can frozen green beans be used?
Yes, frozen green beans can be thawed and drained before cooking, offering a convenient alternative to fresh ones.
- → How do I achieve crispy fried onion topping?
Use store-bought crispy fried onions or make your own by thinly slicing onions, coating them lightly in flour, and frying until golden and crisp.
- → Can this dish be prepared in advance?
Yes, assemble the casserole up to adding onions, store refrigerated for up to 24 hours, then add toppings and bake before serving.
- → What cheese can be added for extra flavor?
Grated sharp cheddar or Gruyère cheese can be stirred into the sauce for enhanced richness and depth.
- → Is this suitable for a vegetarian diet?
Yes, the dish uses vegetable broth and contains no meat, making it ideal for vegetarian preferences.
- → How long should the green beans be cooked before baking?
Boil the green beans for about 5 minutes until just tender but still bright green, then rinse with cold water to halt cooking.