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Green Bean Casserole

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Classic green bean casserole made simple with fresh beans, creamy sauce, and crispy onions. An easy Let’s Veg comfort recipe for any meal.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course: Side Dish
Cuisine: American
Calories: 352
Ingredients Equipment Cooking Instructions Nutrition Notes

Ingredients
  

  • 1 lb fresh green beans trimmed and cut in half
  • 1 tbsp olive oil or butter
  • 1 small onion finely chopped
  • 2 cloves garlic minced
  • 1 cup mushrooms sliced (optional but recommended)
  • ¾ cup milk or plant-based milk
  • ½ cup vegetable broth
  • 2 tbsp all-purpose flour
  • ½ tsp salt
  • ¼ tsp black pepper
  • ¼ tsp nutmeg optional
  • ½ cup crispy fried onions store-bought or homemade

Equipment

Baking Dish
Baking Dish
$24.99
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02/02/2026 03:00 pm GMT
Oven Baking pans

Cooking Instructions
 

  1. Preheat oven to 375°F (190°C). Lightly grease a baking dish.
  2. Bring a pot of salted water to a boil. Blanch green beans for 4–5 minutes until just tender. Drain and set aside.
  3. Heat olive oil or butter in a skillet over medium heat. Sauté onion for 3–4 minutes until soft.
  4. Add garlic and mushrooms. Cook until mushrooms release moisture and soften, about 5 minutes.
  5. Sprinkle flour over the vegetables and stir well. Cook for 1 minute.
  6. Slowly whisk in milk and vegetable broth. Simmer until thickened, 3–5 minutes.
  7. Season with salt, pepper, and nutmeg if using.
  8. Add green beans to the sauce and toss gently. Transfer to baking dish.
  9. Bake uncovered for 20 minutes.
  10. Sprinkle crispy onions on top and bake another 10 minutes until golden.

Nutrition

Calories: 352kcalCarbohydrates: 59gProtein: 21gFat: 8gSaturated Fat: 4gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gCholesterol: 26mgSodium: 746mgPotassium: 1621mgFiber: 14gSugar: 27gVitamin A: 3684IUVitamin C: 59mgCalcium: 416mgIron: 6mg

Notes

Use canned green beans if needed (drain well)
Swap milk for oat or almond milk for dairy-free
Add a handful of shredded cheese for a richer version

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