Keto Green Bean Casserole is the ultimate holiday side dish. This healthier low carb recipe features a rich mushroom cream sauce and a crunchy, cheesy topping.
In a large skillet, heat the avocado oil over medium heat until shimmering. Add the green beans and sauté until bright green, about 4 minutes. Transfer to a bowl.
Add the butter to the skillet and let melt, then add the mushrooms and cook until browned and they have begun to release their juices, about 5 minutes. Add the garlic and cook 1 minute more. Transfer to a medium glass or ceramic baking dish.
Add the wine to the skillet and let cook until reduced by about two thirds. Stir in the heavy whipping cream and bring to a boil, then reduce the heat to low and simmer until thickened, 4 or 5 minutes.
Pour the sauce over the green beans and sprinkle with the shredded cheese. Bake 20 minutes. Remove and sprinkle with the crumbled parmesan crisps and bake another 5 minutes.
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Notes
Storage instructions: Cover tightly and store any leftovers in the fridge for up to 4 days.