21 Comforting Low-Carb Casseroles

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Updated on November 8, 2022

Loaded Cauliflower Casserole

These 15 low-carb casseroles are perfect for when you want the comfort of a warm casserole, but are trying to stay healthy. Whether you're making our Sweet Potato, Sausage and Goat Cheese Egg Casserole for breakfast or our Zucchini Pizza Casserole for a weeknight dinner, we have a casserole recipe to satisfy all of your cravings!

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Loaded Cauliflower Casserole

Loaded Cauliflower Casserole

You'll never want to eat roasted cauliflower any other way once you try this tasty recipe. Bacon, sour cream and sharp Cheddar cheese coat good-for-you cauliflower in deliciousness for an easy side that will make everyone actually want to eat their vegetables.

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Zucchini, Corn & Egg Casserole

Zucchini, Corn & Egg Casserole

This healthy casserole is essentially a crustless quiche, brimming with fresh summer vegetables. Bake it up for an elegant brunch or a casual backyard barbecue.

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Slow-Cooker Green Bean Casserole with Crispy Onions

Thanks to fresh green beans, an easy homemade cream sauce and crispy onion topping, this green bean casserole recipe is healthier and more delicious than traditional recipes that use canned soup, beans and onions. Plus, the slow cooker saves you time cooking at the stove. Make sure to use fresh green beans, as frozen green beans will become mushy.

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Sweet Potato, Sausage and Goat Cheese Egg Casserole

Sweet Potato, Sausage and Goat Cheese Egg Casserole

This hearty breakfast casserole is the perfect dish to prepare for your next brunch gathering.

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Caprese Zucchini Casserole

Caprese Zucchini Casserole

A summertime favorite—zucchini casserole—gets an Italian spin in this delicious and healthy side dish with tomatoes, mozzarella and basil. You can use zucchini or summer squash in this caprese-style casserole, or a combination of the two. A sprinkling of fresh basil and a drizzle of balsamic vinegar just before serving brightens up the flavors. Serve with grilled or roasted chicken and some quinoa, rice or couscous to soak up the juices from the casserole for a satisfying and easy dinner.

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Broccoli Casserole

The lightened-up luscious sauce elevates this easy casserole recipe over standard broccoli and cheese side dishes.

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Sheet-Pan Eggs with Spinach & Ham

Making a big batch of eggs has never been easier with this one-pan oven-baked eggs recipe. Whether you are making brunch for a crowd or just want to meal-prep healthy breakfasts for the week, you'll have 12 servings ready in just 45 minutes.

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Baked Cod Casserole

Dry white wine and Gruyère cheese give this fish casserole a rich flavor that hides its virtue. Before baking, we top the dish with seasoned whole-wheat breadcrumbs, which add a wholesome, nutty flavor and dietary fiber. For variety, you can substitute almost any mild white fish.

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Cauliflower Casserole with Mixed-Seed Crust

The cheesy-seedy crust that tops this healthy cauliflower casserole recipe evokes everything bagels. Serve for the holidays or as a hearty side dish with roast chicken.

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Creamed Spinach Casserole

This creamy spinach casserole recipe is a more sophisticated cousin to creamed spinach. It's perfect for weekend entertaining or as a holiday side dish.

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Zucchini Pizza Casserole

Zucchini Pizza Casserole

Got a bumper crop of zucchini? Try this crowd-pleasing casserole-meets-pizza dish, which can easily be made gluten-free. A layer of tender shredded zucchini is topped with all the classics: sauce, cheese, pepperoni and sliced bell pepper. Experiment with your own favorite toppings, but make sure you don't overload the crust or it will be too wet.

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Chicken & Zucchini Casserole

Chicken & Zucchini Casserole — Photographer /Antonis Achilleos, Prop Stylist / Kay Clarke, Food Stylist / Emily Nabors Hall

This baked chicken and zucchini casserole is creamy, hearty and low-carb! The whole family will love this easy casserole, plus it's a great way to get the kids to eat their veggies (concealed in a delicious cheese sauce!).

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Zucchini & Tomato Casserole

Zucchini & Tomato Casserole — Antonis Achilleos

The combination of sweet tomatoes and zucchini with melted cheese in this zucchini-tomato casserole tastes like a summer-fresh pizza. It's the perfect easy side dish for any summer meal.

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Low-Carb Broccoli & Cheddar Casserole

Low-Carb Broccoli & Cheddar Casserole

This simple cheesy casserole is comforting while keeping the carbs in check. Serve it alongside roasted chicken or pork.

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Cheesy Ground Beef & Cauliflower Casserole

Cheesy Ground Beef & Cauliflower Casserole — Jason Donnelly

Ground beef and cauliflower combine to create a hearty weeknight casserole that both kids and adults will love. Serve with tortilla chips and sour cream.

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Zucchini & Squash Casserole

Zucchini & Squash Casserole — Antonis Achilleos

Pesto adds fresh herbal flavor to this zucchini and squash casserole. This easy summer casserole is perfect for when you have a bounty of fresh garden zucchini and summer squash.

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Asparagus Casserole

Asparagus Casserole — Jason Donnelly

Blanching the asparagus before assembling this casserole helps to maintain its vibrant green color. Feel free to skip that step if you're crunched for time, but the vegetables will be more army green.

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Buffalo Chicken & Cauliflower Casserole

Buffalo Chicken & Cauliflower Casserole — Jennifer Causey

This creamy low-carb Buffalo chicken and cauliflower casserole is spicy and satisfying. Cauliflower and celery add a tender-crisp bite while a sprinkle of blue cheese on top adds a savory finish.

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Hot Chicken Salad Casserole

A crunchy cornflake-almond topper complements this saucy chicken mixture.

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Chicken "Carne" Adovada

Here we braise chicken thighs in a brick-red chile sauce. This dish is even tastier the next day. Serve with flour tortillas and, though it's not traditional, we like the contrast of creamy avocado with it.

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Baked Asparagus & Cheese Frittata

Antonis Achilleos

Perfect for a spring brunch or light supper, this Italian omelet is baked so it is easy to serve to a group.

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