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By bon appétit
BA's Best Green Bean Casserole
This easy recipe offers a slight update to the classic green bean casserole with fresh mushrooms and a Parmesan béchamel. Don't worry, we kept the fried onions.
Updated at: Thu, 23 Oct 2025 00:02:03 GMT
Nutrition balance score
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Ingredients
8 servings
2 lbgreen beans
kosher salt
2 Tbspextra-virgin olive oil
divided
1 lbcrimini mushrooms
sliced, divided
6 Tbspunsalted butter
divided
4 sprigsthyme
large, divided
2 Tbspall purpose flour
1 ¼ cupswhole milk
1 cupheavy cream
4garlic cloves
finely grated
½ cupgrated parmesan
freshly ground black pepper
¾ cupfried onions
Instructions
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Notes
11 liked
1 disliked
Delicious
Special occasion
Easy
Go-to
Makes leftovers











