Classic Green Bean Casserole

Why You’ll Love This Recipe

This recipe is quick, simple, and packed with flavor. It uses everyday ingredients, comes together in minutes, and bakes into a golden, bubbly casserole that pairs beautifully with any main dish. The crispy onions on top give it a satisfying crunch, while the creamy sauce ensures every bite is rich and comforting. Whether you’re feeding a large crowd or making a small family meal, this dish never disappoints.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Fresh or frozen green beans

• Cream of mushroom soup

• Milk

• Soy sauce (optional, for flavor depth)

• Black pepper

• French fried onions

Directions

1. Preheat oven to 350°F (175°C).

2. In a large mixing bowl, combine cream of mushroom soup, milk, soy sauce (if using), and pepper. Stir until smooth.

3. Add green beans and half of the fried onions. Stir to coat well.

4. Transfer mixture to a baking dish and spread evenly.

5. Bake uncovered for 25 minutes.

6. Remove from oven, stir gently, and top with the remaining fried onions.

7. Bake an additional 5–10 minutes, until the onions are golden and crispy.

8. Serve hot and enjoy.

Servings and timing

This recipe makes about 6 servings.
Preparation time: 10 minutes
Cooking time: 30–35 minutes
Total time: 40–45 minutes

Variations

• Use fresh sautéed mushrooms for a richer, homemade touch.

• Swap cream of mushroom soup for cream of chicken or cream of celery.

• Add shredded cheddar cheese for a cheesy twist.

• Top with buttered breadcrumbs instead of fried onions for a different crunch.

Storage/Reheating

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. To reheat, bake at 350°F until warmed through, or heat individual portions in the microwave. This casserole can also be assembled ahead of time and refrigerated for up to 24 hours before baking. If freezing, prepare without the fried onion topping, freeze for up to 2 months, and add onions just before baking.

FAQs

Can I make this casserole ahead of time?

Yes, you can assemble it a day in advance. Store it in the refrigerator, then bake when ready to serve.

Can I use canned green beans instead of fresh or frozen?

Yes, canned green beans work, but the texture will be softer.

How do I keep the fried onions crispy?

Add them in the last 5–10 minutes of baking so they stay golden and crunchy.

Can I make this casserole without mushroom soup?

Yes, you can substitute with cream of chicken, celery, or a homemade white sauce.

Can I double this recipe?

Absolutely—just use a larger baking dish and adjust baking time as needed.

What’s the best way to make it vegetarian?

Simply use vegetable-based cream soup instead of chicken-based versions.

Can I add cheese to this recipe?

Yes, mix shredded cheddar or mozzarella into the sauce for a cheesy variation.

How do I make it gluten-free?

Use gluten-free cream soup and gluten-free fried onions or breadcrumbs.

Can I prepare this in a slow cooker?

Yes, combine all ingredients (except fried onions) in a slow cooker and cook on low for 4 hours. Add onions before serving.

Why is my casserole watery?

This can happen if the beans release extra moisture. Try blanching fresh beans before baking or draining frozen/canned beans thoroughly.

Conclusion

Classic Green Bean Casserole is a beloved holiday side dish that brings comfort, nostalgia, and flavor to the table. With its creamy base, tender beans, and crispy onion topping, it’s a dish that pleases both kids and adults alike. Simple to prepare yet full of flavor, this recipe is a tradition worth keeping year after year.

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