Cozy Classic Homemade Green Bean Casserole for Dinner

This classic green bean casserole is the ultimate comfort food side dish. After making it dozens of times for my family, I’ve discovered the trick to keeping it creamy and perfectly cooked every time. The crispy fried onions on top make it irresistible, and it’s perfect for cozy holiday dinners or busy weeknight meals. Jump to the recipe or keep reading for my best tips. If you love recipes like this, you’ll also enjoy Easy Spring Zucchini Basil Soup Recipe for Dinner and Easy Creamy Broccoli and Quinoa Bake for Dinner.

What You'll Need for Cozy Classic Homemade Green Bean Casserole for Dinner

Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.

• 1 lb fresh green beans
• 1 lb mushrooms
• 1 medium onion
• 1 can cream of mushroom soup
• 1 cup milk
• 1 tsp soy sauce
• Salt and pepper to taste
• 1 can crispy fried onions
• Salt and pepper
• Soy sauce
• Optional: Crispy fried onions

How to Make Cozy Classic Homemade Green Bean Casserole for Dinner

1. Prepare the green beans: Trim the ends off the green beans and cut them into 1-inch pieces. Set aside.
2. Sauté the mushrooms and onions: Heat a large pan over medium heat. Add a little oil, then add the diced onions and sliced mushrooms. Cook until the onions are translucent and the mushrooms have released their moisture. Season with salt and pepper.
3. Cook the green beans: Add the green beans to the pan with the mushrooms and onions. Cook until the green beans are tender-crisp, about 5 minutes. Stir occasionally.
4. Make the sauce: In a large bowl, mix together the cream of mushroom soup, milk, and soy sauce.
5. Combine and bake: Preheat your oven to 350°F (175°C). In a 9×13-inch baking dish, combine the green beans, mushrooms, and onions. Pour the sauce over the top and stir to combine. Cover the dish with foil and bake for 25 minutes. Remove the foil, sprinkle the crispy fried onions on top, and bake for an additional 5-10 minutes, or until the casserole is bubbly and the onions are golden brown.

Storing & Reheating Cozy Classic Homemade Green Bean Casserole for Dinner

Short-Term Storage

Store in an airtight container in the fridge. Store leftovers in an airtight container in the fridge for up to 5 days. Make-ahead tip: You can assemble the casserole ahead of time and refrigerate it for up to 24 hours. Just add the crispy fried onions before baking.

Freezing Cozy Classic Homemade Green Bean Casserole for Dinner

Freeze leftovers for up to 3 months. Thaw overnight in the fridge before reheating.

How to Reheat Without Drying It Out

Oven: Reheat in the oven at 350°F (175°C) for 15-20 minutes, or until heated through. Microwave: Reheat in the microwave for 1-2 minutes, or until heated through. Stir halfway through.

Recipe Notes

• Chef tip: For a healthier version, use Greek yogurt instead of sour cream and whole wheat breadcrumbs instead of fried onions.
• Best substitution: If you don't have fresh green beans, frozen ones work just as well.
• Make-ahead: You can assemble the casserole ahead of time and refrigerate it for up to 24 hours. Just add the crispy fried onions before baking.
• Scaling: This recipe can be easily doubled or halved to serve more or fewer people.
• Troubleshooting: If your casserole is too liquidy, mix 1 tablespoon of cornstarch with 1 tablespoon of water and stir it into the sauce before baking.

Cozy Classic Homemade Green Bean Casserole for Dinner

⏱

Prep

15 mins

🍳

Cook

35 mins

⏳

Total

50 mins

🍽

Serves

6 servings

🥗

Diet

Vegetarian

Ingredients

Main Ingredients

• 1 lb fresh green beans
• 1 lb mushrooms
• 1 medium onion
• 1 can cream of mushroom soup
• 1 cup milk
• 1 tsp soy sauce
• Salt and pepper to taste
• 1 can crispy fried onions

Seasonings

• Salt and pepper
• Soy sauce

Optional Toppings

• Crispy fried onions

Instructions

1. Prepare the green beans: Trim the ends off the green beans and cut them into 1-inch pieces. Set aside.
2. Sauté the mushrooms and onions: Heat a large pan over medium heat. Add a little oil, then add the diced onions and sliced mushrooms. Cook until the onions are translucent and the mushrooms have released their moisture. Season with salt and pepper.
3. Cook the green beans: Add the green beans to the pan with the mushrooms and onions. Cook until the green beans are tender-crisp, about 5 minutes. Stir occasionally.
4. Make the sauce: In a large bowl, mix together the cream of mushroom soup, milk, and soy sauce.
5. Combine and bake: Preheat your oven to 350°F (175°C). In a 9×13-inch baking dish, combine the green beans, mushrooms, and onions. Pour the sauce over the top and stir to combine. Cover the dish with foil and bake for 25 minutes. Remove the foil, sprinkle the crispy fried onions on top, and bake for an additional 5-10 minutes, or until the casserole is bubbly and the onions are golden brown.

Notes

• Chef tip: For a healthier version, use Greek yogurt instead of sour cream and whole wheat breadcrumbs instead of fried onions.
• Best substitution: If you don't have fresh green beans, frozen ones work just as well.
• Make-ahead: You can assemble the casserole ahead of time and refrigerate it for up to 24 hours. Just add the crispy fried onions before baking.
• Scaling: This recipe can be easily doubled or halved to serve more or fewer people.
• Troubleshooting: If your casserole is too liquidy, mix 1 tablespoon of cornstarch with 1 tablespoon of water and stir it into the sauce before baking.

Storage

• Fridge: Store leftovers in an airtight container in the fridge for up to 5 days.
• Freezer: Freeze leftovers for up to 3 months. Thaw overnight in the fridge before reheating.
• Oven reheat: Reheat in the oven at 350°F (175°C) for 15-20 minutes, or until heated through.
• Microwave reheat: Reheat in the microwave for 1-2 minutes, or until heated through. Stir halfway through.
• Make ahead: You can assemble the casserole ahead of time and refrigerate it for up to 24 hours. Just add the crispy fried onions before baking.

Nutrition Per Serving

• Calories: 220
• Protein: 7g
• Fat: 8g
• Carbs: 29g
• Fiber: 4g
• Sugar: 5g
• Sodium: 700mg
• Cholesterol: 15mg
• Sat. Fat: 3.5g

Nutritional values are estimates only. Actual values may vary by brand and portion size.

Cozy Classic Homemade Green Bean Casserole for Dinner FAQs

A Warm Final Note

I can’t wait for you to try Cozy Classic Homemade Green Bean Casserole for Dinner and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!