This cheesy green bean casserole takes the classic holiday favorite to a whole new level of comfort. Packed with gooey mozzarella, tender green beans, earthy mushrooms, and topped with crispy fried onions, this version is rich, satisfying, and ridiculously easy to make.
Whether you’re serving it for Thanksgiving, a cozy winter dinner, or any potluck in between, this extra cheesy twist adds depth and flavor that’ll earn rave reviews. It’s the kind of side dish that might just outshine the main course.
Ingredients for Baked Green Bean Casserole with Cheese
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4 cans green beans, drained (14.5 oz / 400 g each)
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2 cans cream of mushroom soup (10.5 oz / 300 g each)
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2 cans French fried onions (small, 2.8 oz / 80 g each)
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4 cups shredded mozzarella cheese (450 g)
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1 1/2 cups fresh mushrooms, washed and chopped (135 g)
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1/3 cup 2% milk (80 ml)
How to Make Cheesy Green Bean Casserole
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Preheat your oven to 350°F (175°C).
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In a large mixing bowl, combine the drained green beans, chopped mushrooms, both cans of cream of mushroom soup, and milk.
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Stir until the mixture is fully blended.
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Fold in 2 cups (225 g) of the mozzarella cheese and one can (80 g) of fried onions.
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Transfer the mixture into a 13×9-inch (33×23 cm) casserole dish.
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Cover the dish with aluminum foil and bake for 30 minutes.
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Remove the foil.
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Sprinkle the remaining mozzarella cheese (225 g) and second can of fried onions (80 g) evenly over the top.
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Return to the oven and bake uncovered for an additional 15 minutes, or until the top is bubbly and golden brown.
With minimal prep and maximum flavor, this cheesy green bean casserole will steal the show at your next gathering. The rich mozzarella, combined with the creamy mushroom base and that irresistible crunch on top, makes this dish unforgettable. Whether you’re revamping a holiday menu or simply want to make your weeknight dinner more comforting, this casserole is a cheesy hit worth repeating year-round.
