Cheesy

Cheesy Green Bean Casserole

Name: Cheesy Green Bean Casserole
Prep time: 20 min
Cook time: 25 min
Total time: 55 min
Yield: 6 servings
Ingredients: 1 1/2 pounds fresh green beans, trimmed; 2 tablespoons unsalted butter; 1 medium onion, chopped; 2 cloves garlic, minced; 1 cup all-purpose flour; 1 cup milk; 1 cup grated cheddar cheese; 1/2 cup grated Parmesan cheese; 1 teaspoon salt; 1/4 teaspoon black pepper; 1 cup French-fried onions

By Yara Larkin · June 19, 2026 · Cheesy

Prep20 min

Cook25 min

Total55 min

Serves6

Cheesy Green Bean Casserole — Golden, cheesy, and irresistible

There's something special about a warm, cheesy casserole that brings people together. For me, it's the memories of family gatherings and holidays, where the cheesy green bean casserole was always the star of the show. This recipe is a classic, and I'm excited to share my version with you, made with love and care, just like my mom used to make.

What makes this recipe special is the combination of tender green beans, creamy sauce, and a crispy, golden-brown topping. It's a dish that's both comforting and elegant, perfect for special occasions or a cozy night in with the family. And the best part? It's incredibly easy to make, with just a few simple ingredients and some basic cooking techniques.

As a home cook, I know how important it is to have a reliable, go-to recipe that's sure to please. That's why I've perfected this cheesy green bean casserole recipe over the years, testing and tweaking until I got it just right. And now, I'm excited to share it with you, so you can enjoy it with your loved ones and make some special memories of your own.

So, who is this recipe for? It's for anyone who loves a good casserole, of course! But it's also for those who are short on time, or new to cooking, or just looking for a delicious and satisfying meal that's easy to make. And because it's so versatile, you can serve it at any time of year, whether it's a holiday dinner, a potluck, or just a quick weeknight meal.

In this recipe, I'll walk you through every step, from preparing the ingredients to cooking the casserole to perfection. I'll share my expert tips and tricks, and provide you with all the information you need to make this dish a success. So, let's get started, and make some delicious memories together!

Why You’ll Love This Recipe

This recipe is easy to make and requires minimal ingredients.
It's a great way to get your daily dose of vegetables, as green beans are packed with nutrients.
The casserole is perfect for a weeknight dinner, as it can be prepared in under an hour.
It's a crowd-pleaser, and is sure to become a family favorite.
The recipe is versatile, and can be made with a variety of cheeses and toppings.
It's a comforting and satisfying meal that's perfect for any time of year.

Why This Recipe Works

The key to a great cheesy green bean casserole is in the layers. You want to create a balance of textures and flavors, with the tender green beans, creamy sauce, and crispy topping all working together in harmony. To achieve this, it's essential to cook the green beans just until they're tender, then set them aside while you prepare the sauce.

The sauce is where the magic happens, as it's what brings all the flavors together. I use a combination of butter, flour, and milk to create a rich and creamy base, then add in some grated cheese and a pinch of salt and pepper to give it depth and complexity. And because I'm using a mixture of cheddar and Parmesan, I get a nice balance of sharp and mild flavors that complement the green beans perfectly.

Another important aspect of this recipe is the resting time. After the casserole is cooked, it's essential to let it rest for at least 10-15 minutes before serving. This allows the flavors to meld together, the sauce to set, and the topping to crisp up, resulting in a dish that's both flavorful and visually appealing.

Ingredients You’ll Need

When it comes to ingredients, I like to keep things simple and straightforward. For this recipe, you'll need a few basic ingredients, including green beans, butter, flour, milk, cheese, and some seasonings. I've also included some additional ingredients, such as garlic and onion, to give the dish a bit more depth and complexity.

One of the most important ingredients in this recipe is the cheese. I use a combination of cheddar and Parmesan, as they melt well and add a rich, creamy flavor to the dish. You can also experiment with other types of cheese, such as mozzarella or Gruyère, to find the combination that works best for you.

1 1/2 pounds fresh green beans, trimmedLook for bright green, tender beans with no signs of wilting or bruising. You can also use frozen green beans, but be sure to thaw them first and pat them dry with paper towels to remove excess moisture.
2 tablespoons unsalted butterI like to use high-quality, European-style butter for its rich, creamy flavor. You can also use salted butter, but be sure to adjust the amount of salt you add to the recipe accordingly.
1 medium onion, choppedUse a sweet onion, such as Vidalia or Maui, for its mild flavor and low water content. You can also use shallots or scallions for added depth and complexity.
2 cloves garlic, mincedI like to use fresh garlic for its pungent flavor and aroma. You can also use jarred garlic or garlic powder, but be sure to adjust the amount you use according to the recipe.
1 cup all-purpose flourUse a high-quality, unbleached flour for its light texture and neutral flavor. You can also use whole wheat flour or gluten-free flour, but be sure to adjust the recipe accordingly.
1 cup milkI like to use whole milk for its rich, creamy flavor. You can also use 2% or skim milk, but be sure to adjust the amount of butter you use accordingly.
1 cup grated cheddar cheeseUse a high-quality, sharp cheddar cheese for its rich, tangy flavor. You can also use other types of cheese, such as mozzarella or Gruyère, to find the combination that works best for you.
1/2 cup grated Parmesan cheeseI like to use fresh, high-quality Parmesan cheese for its nutty, slightly sweet flavor. You can also use pre-shredded Parmesan, but be sure to adjust the amount you use according to the recipe.
1 teaspoon saltUse a high-quality, flaky sea salt for its delicate flavor and texture. You can also use kosher salt or table salt, but be sure to adjust the amount you use according to the recipe.
1/4 teaspoon black pepperI like to use freshly ground black pepper for its bold, peppery flavor. You can also use pre-ground pepper, but be sure to adjust the amount you use according to the recipe.
1 cup French-fried onionsUse a high-quality, crispy French-fried onion for its crunchy texture and savory flavor. You can also use other types of onions, such as shallots or scallions, to find the combination that works best for you.

Ingredients for Cheesy Green Bean Casserole

Equipment You’ll Need

Large skillet or sauté panMedium saucepan9x13-inch baking dishInstant-read thermometerWhiskMeasuring cups and spoons

How to Make Cheesy Green Bean Casserole

1
Preheat your oven to 375°F (190°C).
2
Bring a large pot of salted water to a boil and blanch the green beans for 5-7 minutes, or until they're tender but still crisp. Drain the beans and set them aside to cool.
3
In a large skillet or sauté pan, melt 1 tablespoon of butter over medium heat. Add the chopped onion and cook until it's softened and translucent, about 5 minutes.
4
Add the minced garlic to the skillet and cook for an additional 1-2 minutes, or until fragrant.
5
In a medium saucepan, melt the remaining 1 tablespoon of butter over medium heat. Add the flour and whisk to combine, cooking for 1-2 minutes or until the mixture is lightly golden and has a nutty aroma.
6
Slowly pour in the milk, whisking constantly to avoid lumps. Bring the mixture to a simmer and cook until it thickens, about 5-7 minutes.
7
Remove the sauce from the heat and stir in the grated cheddar and Parmesan cheese until melted and smooth. Season the sauce with salt and pepper to taste.
8
In a large bowl, combine the cooled green beans, sauce, and chopped onion. Stir until the beans are well coated with the sauce.
9
Transfer the green bean mixture to a 9x13-inch baking dish and top with French-fried onions.
10
Bake the casserole in the preheated oven for 25-30 minutes, or until the onions are golden brown and the casserole is hot and bubbly.
11
Remove the casserole from the oven and let it rest for 10-15 minutes before serving.
12
Serve the casserole hot, garnished with additional French-fried onions if desired.

Expert Tips

Use fresh, high-quality ingredients for the best flavor and texture.
Don't overcook the green beans, as they can become mushy and unappetizing.
Let the casserole rest for at least 10-15 minutes before serving, as this allows the flavors to meld together and the sauce to set.
Experiment with different types of cheese and toppings to find the combination that works best for you.
Consider making the casserole ahead of time and refrigerating or freezing it for later use.
Use a high-quality, crispy French-fried onion for the best texture and flavor.
Don't be afraid to get creative and add your own favorite ingredients to the casserole.
Consider serving the casserole with a side of crusty bread or a green salad for a well-rounded meal.

Common Mistakes to Avoid

Overcooking the green beans, which can make them mushy and unappetizing.
Not letting the casserole rest for long enough, which can result in a sauce that's not fully set.
Using low-quality ingredients, which can affect the flavor and texture of the dish.
Not stirring the sauce constantly, which can result in lumps and an uneven texture.
Not using enough cheese, which can make the casserole dry and flavorless.
Not baking the casserole for long enough, which can result in a dish that's not hot and bubbly.

Variations and Substitutions

Add some diced ham or bacon to the casserole for added protein and flavor.
Use different types of cheese, such as mozzarella or Gruyère, to find the combination that works best for you.
Add some chopped bell peppers or mushrooms to the casserole for added flavor and nutrients.
Use gluten-free flour or gluten-free French-fried onions to make the dish gluten-free.
Add some dried herbs, such as thyme or rosemary, to the casserole for added depth and complexity.
Use a different type of onion, such as shallots or scallions, to add a different flavor and texture to the dish.
Consider making individual servings of the casserole in ramekins or small baking dishes.

What to Serve With Cheesy Green Bean Casserole

This casserole is perfect for serving at any time of year, whether it's a holiday dinner, a potluck, or just a quick weeknight meal. You can serve it alongside a variety of sides, such as mashed potatoes, roasted vegetables, or a green salad. It's also delicious served with a side of crusty bread or crackers for a satisfying and filling meal.

Some other ideas for serving this casserole include:

Mashed potatoesRoasted vegetablesGreen saladCrusty breadCrackersFresh fruit

Make-Ahead, Storage, Freezing and Reheating

This casserole can be made ahead of time and refrigerated or frozen for later use. To refrigerate, simply assemble the casserole and store it in the refrigerator for up to 24 hours. To freeze, assemble the casserole and store it in the freezer for up to 3 months. When you're ready to serve, simply thaw the casserole overnight in the refrigerator and bake as directed.

To reheat the casserole, simply bake it in the oven at 350°F (180°C) for 20-25 minutes, or until hot and bubbly. You can also reheat it in the microwave, but be careful not to overheat, as this can result in a dry and flavorless dish.

It's also important to note that the casserole will keep for several days in the refrigerator, and can be reheated as needed. Simply store it in an airtight container and reheat it in the oven or microwave when you're ready to serve.

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can make this casserole ahead of time and refrigerate or freeze it for later use. Simply assemble the casserole and store it in the refrigerator for up to 24 hours or freeze it for up to 3 months.

Can I use frozen green beans instead of fresh?

Yes, you can use frozen green beans instead of fresh. Simply thaw the beans and pat them dry with paper towels to remove excess moisture before using.

Can I use different types of cheese?

Yes, you can use different types of cheese in this casserole. Some good options include mozzarella, Gruyère, and cheddar. Simply grate the cheese and add it to the sauce as directed.

Can I add other ingredients to the casserole?

Yes, you can add other ingredients to the casserole to suit your tastes. Some good options include diced ham or bacon, chopped bell peppers, and dried herbs like thyme or rosemary.

How do I reheat the casserole?

Can I make individual servings of the casserole?

Yes, you can make individual servings of the casserole in ramekins or small baking dishes. Simply assemble the casserole and bake it in the oven at 375°F (190°C) for 15-20 minutes, or until hot and bubbly.

How long will the casserole keep in the refrigerator?

The casserole will keep in the refrigerator for several days. Simply store it in an airtight container and reheat it in the oven or microwave when you're ready to serve.

Can I freeze the casserole?

Yes, you can freeze the casserole for up to 3 months. Simply assemble the casserole and store it in the freezer. When you're ready to serve, simply thaw the casserole overnight in the refrigerator and bake as directed.

The Full Recipe

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