Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe

There’s something undeniably comforting about a classic casserole, but when you add sharp cheddar and crispy onion strings, it’s a total game changer. This Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe takes a well-loved favorite and cranks up the flavor in the best way.

Jump to:

• Why You'll Love This Recipe
• Ingredients & Why They Work
• Make It Your Way
• Step-by-Step: How I Make Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe
• Top Tip
• How to Serve Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe
• Make Ahead and Storage
• Frequently Asked Questions:
• Final Thoughts
• Delicious Recipe

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Ingredients & Why They Work

This recipe has a few simple ingredients that come together to create something greater than the sum of its parts. Choosing fresh green beans and sharp cheddar makes all the difference, and those crispy onion strings aren’t just for garnish—they bring so much irresistible texture.

• Fresh green beans: I always look for beans that snap cleanly when bent—crisp, fresh beans are the foundation here.
• Cream of mushroom soup: The classic creamy base that keeps everything cozy and flavorful without fuss.
• Milk: Helps thin the soup mixture just enough to coat the beans perfectly.
• Worcestershire sauce: This little addition adds a subtle tangy depth that boosts the savory notes.
• Black pepper: Freshly ground is best—it cuts through the richness nicely.
• Crispy fried onion strings: The must-have crunchy topping that makes every bite exciting.
• Sharp cheddar cheese: The star of the show—adds boldness and melty texture unlike the usual mild cheeses.

Make It Your Way

One of my favorite things about this Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe is how easy it is to adapt. I encourage you to make it your own by swapping in your favorite cheeses or adding your own bit of seasoning flair.

• Variation: I sometimes sprinkle in a teaspoon of smoked paprika for a subtle smoky kick that plays so well with the cheddar.
• Make it vegetarian: Use vegetarian Worcestershire sauce or a splash of soy sauce for that umami depth without the anchovies.
• Seasonal twist: Swap green beans for blanched asparagus or broccoli for a spring or winter variation.

Step-by-Step: How I Make Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe

Step 1: Prep and Cook Your Green Beans

Start by trimming and cutting fresh green beans into bite-size pieces. Boil them in lightly salted water until they’re fork tender—about 10 minutes. Keep an eye on them so they don’t get mushy; you want a little bite left. Drain well and set aside while you prepare the creamy base.

Step 2: Whisk the Creamy Sauce Directly in the Casserole Dish

Here’s a little trick I love: whisk the cream of mushroom soup, milk, Worcestershire sauce, and black pepper right in your casserole dish. It saves a bowl and makes tossing everything together a breeze. Whisk until smooth and creamy to create that luscious sauce that will coat your green beans beautifully.

Step 3: Combine Green Beans, Cheese, and Onion Strings

Fold in the cooked green beans, about two-thirds of the crispy onion strings, and all that sharp cheddar cheese. Stir gently until the green beans are evenly coated in cheesy, creamy goodness. The mix looks totally tempting even before baking!

Step 4: Bake Until Bubbly, Then Add Final Crunch

Place the casserole in a preheated 350°F oven for 25 to 30 minutes. You’re aiming for a bubbling center—that’s your cue it’s perfectly cooked. When it’s out, sprinkle the rest of the crispy onion strings on top, then pop it back in for 5 more minutes. This last step toasts the topping just right for maximum crunch.

How to Serve Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe

Garnishes

While the crispy onion strings take center stage on top, sometimes I add a sprinkle of fresh chopped parsley or chives for color and a fresh burst of flavor. It brightens the dish visually and adds a hint of freshness that I love.

Side Dishes

This casserole pairs wonderfully with just about anything—roast turkey, glazed ham, or even a hearty grilled steak. For sides, I usually add creamy mashed potatoes or roasted carrots to round out the meal.

Creative Ways to Present

For special occasions, I’ve served this casserole in individual ramekins to give everyone their own perfectly crisp-topped portion. It’s not only elegant but also helps with portion control and presentation when guests are over.

Make Ahead and Storage

Storing Leftovers

Leftovers of this Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe keep really well in an airtight container in the fridge for up to 3 days. Just cover tightly so those crispy onions don’t get soggy before serving.

Freezing

I’ve frozen this casserole a couple of times with good results. Just assemble it but wait to add the crispy onion strings on top until after it’s reheated. Wrap it tightly with foil and thaw overnight before baking for the best texture.

Reheating

The best way I found to reheat it is in the oven at 325°F, covered loosely with foil to prevent drying out. About 20 minutes usually does the trick. Then I add back some fresh crispy onion strings to keep that signature crunch fresh.

Final Thoughts

This Green Bean Casserole with Cheddar and Crispy Onion Strings Recipe holds a special place in my heart—and on my table. It’s simple but full of those little touches that elevate it way beyond the usual casserole. I hope you enjoy making it as much as I do and that it becomes a new classic in your kitchen, too. Trust me, once you get that perfect cheesy, crunchy bite, you’ll be hooked.

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