The holiday season is upon us, and what better way to spruce up your festive table than with a classic green bean casserole? This timeless dish, filled with creamy mushroom sauce, sharp cheddar cheese, crispy bacon, and topped with golden fried onions, is a must-have for any holiday feast.
What makes this version extra special? No canned mushroom soup! Instead, you’ll make a simple, homemade creamy base that takes this comfort dish from ordinary to RIDIC-ULICIOUS.
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Table of contents
Why You’ll Love This Green Bean Casserole
This revamped green bean casserole proves that even classic recipes can be elevated with just a few easy tweaks. The combination of creamy sauce, sharp cheese, and smoky bacon creates a flavor-packed side dish that’s destined to become a new holiday favorite. Whether it’s Thanksgiving, Christmas, or a cozy family dinner, this casserole brings comfort and nostalgia to the table.

Ingredients for Green Bean Casserole
- 1 40 0z cut green beans drained
- 6 oz mushrooms sliced
- 2 Tbsp butter
- 2 Tbsp all-purpose flour
- 1/4 cup minced onions
- 2 cloves garlic minced
- 1 cup chicken broth
- 1 cup 1/2 & 1/2
- 1 tsp pepper
- 1 tsp salt
- 3 strips bacon cooked & crumbled
- 1/2 cup sharp cheddar cheese shredded
- 1 cup French’s fried onions

How to Make the Creamy Mushroom Sauce
- In a medium saucepan, melt 2 tablespoons butter over medium heat.
- Add minced onion and sauté until translucent.
- Stir in garlic and cook for about 2 minutes.
- Sprinkle in the flour, stirring to coat the onions and garlic. Cook for another minute to eliminate the raw flour taste.
- Gradually whisk in chicken broth and half & half. Keep whisking until smooth and thickened.
- Season with salt and pepper, then remove from heat.
Mixing It All Together
- In a large bowl, combine the green beans, sliced mushrooms, crumbled bacon, and shredded cheddar cheese.
- Pour the creamy mushroom sauce over the mixture and gently stir until everything is evenly coated.
- Transfer the mixture to a greased baking dish.
- Sprinkle French’s fried onions over the top for that perfect crunch.

Baking Instructions
Serve warm and enjoy every creamy, cheesy, crispy bite!
Preheat your oven to 350°F (175°C).
Bake for 25–30 minutes, or until the casserole is bubbly and the fried onions are golden brown.

Storage and Reheating Tips For Green Bean Casserole
Refrigerating
- Allow the casserole to cool completely before storing.
- Cover tightly with plastic wrap or foil, or place in an airtight container.
- Keep refrigerated for up to 3–4 days.
Freezing
- Cool completely before freezing to prevent ice crystals.
- Store in airtight containers or freezer-safe bags.
- Label with the date and freeze for up to 2–3 months.
Reheating
- Oven: Reheat at 350°F covered with foil until heated through.
- Microwave: Quick option for single portions, though onions may soften.
- Pro tip: Stir halfway through for even reheating.
💡 Nettie’s Tip
If you love extra crunch, reserve half of your fried onions and sprinkle them on after baking for the perfect finishing touch!
Reader Favorites:
FAQ Section
Can I use fresh green beans instead of canned?
Absolutely! Blanch fresh green beans for 5–6 minutes in salted water, then drain and cool before adding to the casserole.
Can I make this casserole ahead of time?
Yes! Prepare the casserole up to the topping step, cover it tightly, and refrigerate for up to 24 hours. Add fried onions just before baking.
Can I use a different cheese?
You sure can. Try Gruyère, Monterey Jack, or even a mix of cheddar and mozzarella for extra creaminess.
Apparel for the foodie & griller


Green Bean Casserole
Ingredients
- 1 40 0z cut green beans drained
- 6 oz mushrooms sliced
- 2 Tbsp butter
- 2 Tbsp all-purpose flour
- 1/4 cup minced onions
- 2 cloves garlic minced
- 1 cup chicken broth
- 1 cup 1/2 & 1/2
- 1 tsp pepper
- 1 tsp salt
- 3 strips bacon cooked & crumbled
- 1/2 cup sharp cheddar cheese shredded
- 1 cup French's fried onions
Instructions
- Preheat oven to 350°F (175°C).
- In a saucepan, melt butter over medium heat. Add onion and cook until translucent, then stir in garlic and cook for 2 minutes.
- Sprinkle in flour and cook for 1–2 minutes.
- Gradually whisk in chicken broth and half & half until smooth and thickened. Season with salt and pepper.
- In a large bowl, combine green beans, mushrooms, bacon, and cheese. Pour the sauce over top and mix until evenly coated.
- Transfer to a greased baking dish. Sprinkle fried onions evenly across the top.
- Bake 25–30 minutes, until bubbly and golden brown.