Green Bean Casserole Recipe
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A classic green bean casserole made from scratch with fresh beans, creamy mushroom sauce, and crunchy topping, ready in 35 minutes.
Green bean casserole is a beloved comfort food that appears on many holiday tables, yet it can be prepared quickly and healthfully at home. This version skips canned soup and fried onions in favor of a homemade mushroom sauce and fresh green beans. The result is a dish with bright color, rich flavor, and a satisfying crunch. You can pull it together in under forty minutes, making it perfect for busy weeknights. Serve it alongside roasted turkey, baked chicken, or a simple grain salad for a complete meal.
Ingredients
- 450 g (1 lb) fresh green beans, trimmed and cut into 2‑inch pieces
- 300 ml (1 ¼ cups) low‑sodium chicken broth
- 240 ml (1 cup) whole milk
- 30 g (2 tbsp) unsalted butter
- 30 g (2 tbsp) all‑purpose flour
- 150 g (5 oz) cremini mushrooms, finely chopped
- 1 medium onion, diced
- 2 cloves garlic, minced
- 1 tsp (5 ml) soy sauce (for umami)
- ½ tsp (2.5 ml) ground black pepper
- ¼ tsp (1.25 ml) salt, or to taste
- 100 g (3½ oz) fried onions, divided (for topping)
Gather all the ingredients before you start. Having everything measured and ready speeds up the cooking process and helps you stay organized while the beans are blanching.
Essential Kitchen Tools
| Tool | Purpose |
|---|---|
| Large pot | Blanching green beans quickly |
| Ice bath bowl | Stopping the cooking process to retain color |
| Skillet | Making the mushroom sauce |
| 9‑inch baking dish | Even heat distribution for the casserole |
| Measuring cups and spoons | Accurate ingredient quantities |
Why This Recipe Works
This version of green bean casserole succeeds because it respects the three key elements of a great side dish: flavor, texture, and balance. The fresh green beans provide a natural snap and bright color that canned versions lack. By creating a roux‑based mushroom sauce, we achieve a velvety coating that clings to each bean, delivering a savory depth from the mushrooms, onions, and a touch of soy sauce. The sauce’s thickness is controlled by the flour‑butter roux, preventing a watery result and ensuring the casserole stays creamy after baking. Finally, the fried onion topping adds a contrasting crunch that arrives just before serving, keeping the dish from becoming soggy. The combination of these techniques yields a casserole that feels both home‑cooked and refined, suitable for everyday meals or special occasions.
Pro Tips for Better Results
To elevate the dish, start by selecting the freshest green beans you can find; beans that snap easily when bent will retain their texture during the brief bake. When blanching, add a pinch of baking soda to the water – this helps preserve the vivid green color, but be sure to rinse the beans well afterward to avoid a metallic taste. For the sauce, use a low‑heat setting while whisking the flour into the melted butter; this prevents the roux from browning, which would alter the flavor profile. Adding a splash of lemon juice at the end of the sauce preparation brightens the overall taste and balances the richness of the butter and milk. When assembling, spread the beans in an even layer to avoid clumping, which can cause uneven cooking. Finally, toast the fried onions separately in a dry skillet just before the final bake; this re‑crispes them and prevents sogginess, delivering that satisfying crunch in every bite.
Nutrition Facts (per serving)
| Nutrient | Amount per serving |
|---|---|
| Calories | 480 kcal |
| Protein | 12 g |
| Carbohydrates | 45 g |
| Fat | 28 g |
| Fiber | 5 g |
Green Bean Casserole Recipe
A classic green bean casserole made from scratch with fresh beans, creamy mushroom sauce, and crunchy topping, ready in 35 minutes.
Ingredients
Instructions
- 1. Bring a large pot of salted water to a boil, add the green beans, and blanch for 3‑4 minutes until they turn bright green; this preserves color and a slight crunch.
- 2. Immediately transfer the beans to an ice‑water bath to stop cooking, then drain and set aside; shocking them keeps the texture from becoming mushy.
- 3. In a skillet over medium heat melt the butter, then whisk in the flour to create a roux, cooking for about 1 minute to eliminate raw flour taste.
- 4. Gradually pour in the chicken broth while whisking, followed by the milk, allowing the mixture to thicken into a smooth sauce; the gradual addition prevents lumps.
- 5. Add the chopped mushrooms, onion, and garlic to the sauce, simmer for 4‑5 minutes until the vegetables soften and release flavor, which deepens the umami base.
- 6. Stir in soy sauce, black pepper, and salt, tasting and adjusting seasoning; the soy sauce adds depth without needing meat‑based stock.
- 7. Combine the blanched green beans with the sauce, mixing gently to coat each piece evenly, ensuring uniform flavor throughout the casserole.
- 8. Transfer the mixture to a 9‑inch baking dish , sprinkle half of the fried onions on top, and bake in a pre‑heated 190°C (375°F) oven for 15 minutes.
- 9. Remove from the oven, scatter the remaining fried onions for extra crunch, and bake an additional 5 minutes until the topping is golden and crisp.