There’s something comforting about Southern-style green bean casserole that brings back memories of family gatherings around the holiday table. Each bite reveals tender green beans enveloped in rich creaminess from the soup, enhanced by the crunch of crispy fried onions. This dish is straightforward yet utterly satisfying, making it a delightful addition for any occasion—and it’s even a breeze to whip up in about an hour!
What makes this casserole special is its blend of textures and flavors. The creamy base, combined with the crisp accents, creates a perfect harmony, while the savory notes of garlic elevate the experience. Whether you’re feasting for Thanksgiving or just enjoying a cozy weeknight dinner, this casserole will surely win hearts.
Why you’ll love southern-style green bean casserole
- Quick to prepare; perfect for busy times.
- Rich, creamy texture paired with a crispy topping.
- Great for family gatherings and festive occasions.
- Budget-friendly and easy to make ahead.
- Leftovers taste even better!
What ingredients do I need for southern-style green bean casserole?
- 1 can (14.5 oz) French-style green beans, drained
- 1 can (10.5 oz) cream of mushroom soup
- 1/2 cup milk
- 1 cup French fried onions
- Salt and pepper to taste
- 1/2 cup shredded cheddar cheese (optional)
- 1/4 teaspoon garlic powder (optional)
Ingredient notes & swaps
- Cream of Mushroom Soup: Can be replaced with homemade soup or other cream soups.
- French Fried Onions: For a homemade version, try frying thinly sliced onions.
- Shredded Cheddar Cheese: Parmesan or mozzarella can work for a different flavor profile.
- Milk: Use any milk alternative if you’re avoiding dairy.
How do I make southern-style green bean casserole step-by-step?
Making this casserole is as easy as mixing a few ingredients and baking. You’ll first combine the green beans, cream of mushroom soup, and milk, then season it to your liking. Fold in half the fried onions, spread it out in a dish, and bake until bubbling. Add the rest of the onions and cheese before a final bake for that golden crunch.
- Preheat the oven to 350°F (175°C).
- In a large bowl, mix the green beans, cream of mushroom soup, milk, and garlic powder.
- Season with salt and pepper to taste.
- Stir in half of the French fried onions.
- Pour the mixture into a baking dish and spread evenly.
- Bake for 25 minutes.
- Remove from the oven and top with the remaining French fried onions and cheddar cheese, if using.
- Bake for an additional 10 minutes until the onions are golden brown.
- Serve warm.
Pro Tip: For an extra touch of flavor, try adding a sprinkle of smoked paprika or a dash of hot sauce to the mixture before baking.
How should I serve it?
Southern-style green bean casserole shines on its own but pairs beautifully with roasted meats and other sides like mashed potatoes or cornbread. Consider garnishing with fresh herbs like thyme or parsley to brighten the presentation.
Can I make it ahead? How do I store and reheat it?
Absolutely! You can prepare this casserole a day in advance. Just assemble it but avoid baking. Cover it tightly in the refrigerator and bake it when you’re ready to serve. For leftovers, store them in the fridge for up to three days. Reheat in the oven at 350°F until warmed through.
How do I fix common issues?
If your casserole turns out dry, consider adding a little more milk or cream before baking. If it’s bland, don’t hesitate to re-season it with salt and pepper. For a soggy texture, try to avoid overcooking the green beans when mixing. If it appears overcooked or brown, keep an eye on baking times next round.
What variations can I try?
Feel free to get creative with this casserole! Add cooked bacon or diced ham for a smoky flavor. You can also include different veggies like chopped bell peppers or mushrooms for added texture. Switching up the cheese to gouda or gruyere can also transform the dish!
FAQs
Can I use fresh green beans instead of canned?
Yes, fresh green beans work great! Blanch them first for about 5 minutes until tender-crisp, then mix into the casserole.
Is southern-style green bean casserole gluten-free?
Traditional recipes contain gluten from fried onions and cream soup. Look for gluten-free fried onion brands or make your own to keep it gluten-free.
Can I use frozen green beans?
Frozen green beans can be used, but be sure to thaw and drain them well before mixing to avoid excess moisture in the casserole.
With this simple yet delightful southern-style green bean casserole, you’re guaranteed to bring warmth and smiles to your dining table!

Southern-Style Green Bean Casserole
Ingredients
Method
- Preheat the oven to 350°F (175°C).
- In a large bowl, mix the green beans, cream of mushroom soup, milk, and garlic powder.
- Season with salt and pepper to taste.
- Stir in half of the French fried onions.
- Pour the mixture into a baking dish and spread evenly.
- Bake for 25 minutes.
- Remove from the oven and top with the remaining French fried onions and cheddar cheese, if using.
- Bake for an additional 10 minutes until the onions are golden brown.
- Serve warm.