21 Healthy Casseroles

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A full collection of healthy casseroles that are easy to prepare and perfect for families or big groups. Many are freezer-friendly and can be made ahead of time!

I’m all about quick and easy meals lately. More often than not I’ve been leaning on slow cooker meals and/or casseroles! Even though we have a small family, I love making large batch meals like casseroles so that we have plenty of leftovers for the week.

What Makes a Casserole Healthy?

Casseroles tend to get a bad rap because they’re commonly loaded with things like canned soup, cheese and/or cream. But casseroles can totally be elevated using better ingredients and still taste delicious.

My philosophy when it comes to building healthy casseroles is the same as every other meal. I like to have a balance of protein, healthy fats, fiber and carbs. This is usually pretty easy because most casseroles involve some sort of grain, protein and veggies. Of course, if you are missing one of these macronutrients in the casserole, you can always serve with a side dish to balance out the meal!

I’m all about taking casseroles I grew up loving and making them healthier. To do this, I usually try to swap any refined grains for whole grains, use fresh or frozen items instead of canned foods, sneak in more veggies (even if it’s just a handful of spinach) and lighten up the amount of cheese needed. These are easy adjustments and trust me, everyone will still love these healthier versions.

How to Meal Prep Casseroles

There are two different ways you can meal prep casseroles:

  1. Assemble but don’t bake. Prep all of the ingredients and follow the directions up until you are supposed to bake. Cover and refrigerate or freeze until you’re ready to bake. If you freeze it, make sure you thaw it in the refrigerator first.
  2. The other option is to follow the recipe all the way through baking! Let the casserole cool completely before covering and storing in the refrigerator or freezer.

Healthy Breakfast Casseroles

A healthy breakfast casserole in a baking dish.
4.41 from 32 votes

Healthy Breakfast Casserole

This healthy breakfast casserole is flavorful, cheesy and packed with veggies. It's the perfect make ahead dish for brunch and great for serving a crowd!
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Casserole dish with an egg, veggie, and chicken sausage bake. A wood serving spoon is to the side.
4.16 from 216 votes

Sausage Egg Casserole

This veggie-packed sausage egg casserole is the perfect healthy dish to serve a crowd. It’s dairy-free and gluten-free, but still packs tons of flavor!
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Top of a french toast bake, topped with brown sugar, cranberries, and almonds.
4 from 16 votes

French Toast Bake

Make French Toast for a crowd with this easy Overnight French Toast Bake that’s dairy-free! To lighten things up a bit this recipe uses a mixture of eggs and egg whites, almond milk and maple syrup for sweetness.
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Baked oatmeal topped with chopped nuts in a white square baking dish.
4.32 from 547 votes

Baked Oatmeal

This baked oatmeal recipe is a yummy breakfast dish that can easily be customized with your favorite mix-ins. It comes together in 1 bowl and is perfect for meal prep.
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Healthy Dinner Casseroles

Slice of sweet potato black bean enchilada bake layered with tortillas, sweet potatoes, black beans, cheese and a homemade enchilada sauce with slices of avocado on the side. Remaining enchilada bake in baking dish behind.
4.89 from 43 votes

Sweet Potato Black Bean Enchilada Bake

Layered with tortillas, sweet potatoes, black beans, cheese and a homemade enchilada sauce. Vegetarian, gluten-free and absolutely delicious!
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Bowl of cheesy low carb spaghetti squash taco bake topped with veggies.
4.40 from 171 votes

Spaghetti Squash Taco Bake

This spaghetti squash taco bake combines low-carb spaghetti squash with ground turkey, taco seasoning, salsa and cheese for a delicious, healthy and easy dinner.
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Chicken casserole in a casserole dish topped with cheese, bacon, and green onions. Spoon and onions next to baking dish.
3.98 from 102 votes

Confetti Chicken Casserole

Transform chicken, kale and corn into a delicious chicken casserole that comes together quickly if you prep a few key ingredients ahead of time!
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Baking dish of a cheesy eggplant casserole topped with cheese and fresh parsley.
4.38 from 101 votes

Turkey Eggplant Casserole

Comfort food made healthy, this cheesy eggplant casserole layers eggplant with protein-rich turkey and mozzarella. The best part? It bakes up in 30 minutes!
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Broccoli quinoa casserole with cheddar cheese in a baking dish.
4.19 from 65 votes

Cheesy Broccoli Quinoa Casserole

Cheesy broccoli quinoa casserole made healthy! This version has protein-packed quinoa, fresh broccoli florets and a homemade sauce instead of canned soup.
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An overhead photo of stuffed pepper casserole served on a round, white plate. A fork is resting on the plate.
3.93 from 180 votes

Stuffed Pepper Casserole

This stuffed pepper casserole has all the delicious flavors of traditional stuffed peppers but is made in one pot for an easy weeknight meal. Loaded with ground turkey, brown rice, veggies, spices and topped with cheese. It's hearty, delicious and packed with flavor.
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A baking dish with eggplant parmesan and cut into pieces.
4.65 from 157 votes

Baked Eggplant Parmesan

Make a healthy baked eggplant parmesan with crispy almond flour-coated eggplant slices that are baked – no frying or bread crumbs needed!
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Two spaghetti squash tuna casserole boats on white plates.
4.05 from 24 votes

Spaghetti Squash Tuna Casserole

A healthy spin on a comfort food classic, these spaghetti squash tuna noodle casserole boats are filled with loads of creamy goodness and ample protein. Gluten-free, dairy-free, low-carb and paleo!
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Vegetarian Mexican quinoa casserole in a slow cooker topped with melted cheese, sliced jalapeno, green onions and cilantro.
4.30 from 85 votes

Slow Cooker Mexican Quinoa Casserole

A vegetarian Mexican quinoa casserole made entirely in the slow cooker. Packed with sweet potatoes, black beans and taco seasoning, this is sure to be a family favorite! Vegetarian and gluten-free.
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Slice of zucchini noodle tofu lasagna on a plate with salad.
4.89 from 9 votes

Skinny Tofu Zucchini Lasagna

Low carb, healthy lasagna made with zucchini noodles and tofu. This vegetarian main is packed with protein and loaded with Italian flavor!
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Cauliflower baked ziti topped with parmesan before its cooked.
4.49 from 58 votes

Turkey Cauliflower Baked Ziti

This turkey cauliflower baked ziti uses cooked cauliflower instead of pasta noodles so it's low-carb and gluten-free while still being cheesy and delicious. 
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Mayan harvest bake on a white plate with layers of polenta and quinoa with roasted sweet potatoes, plantains. Topped with avocado.
4.24 from 13 votes

Mayan Harvest Bake

A homemade version of Kashi’s Mayan Harvest Bake. This vegan casserole has layers of polenta and quinoa with roasted sweet potatoes, plantains, kale and black beans all in a rich chili-tomato sauce.
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Sweet potato casserole in a square baking dish with a portion missing in the corner where a metal spoon is.
4.55 from 11 votes

Classic Sweet Potato Casserole

This classic sweet potato casserole is topped with mini marshmallows and made with only 6 ingredients. It's creamy, delicious and the perfect side dish for Thanksgiving.
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A serving spoon resting in a white baking dish containing sweet potato casserole.
4.29 from 146 votes

Healthy Sweet Potato Casserole

This healthy sweet potato casserole is lower in sugar, dairy-free and made with a crunchy oatmeal pecan topping. Vegan + gluten-free.
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Healthy green bean casserole in a baking dish.
4.42 from 41 votes

Healthy Green Bean Casserole

Healthy green bean casserole made with a creamy mushroom cashew sauce and homemade crispy baked onions.
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Bowl and wooden spoon with quinoa stuffing made with cranberries and butternut squash.
4.73 from 11 votes

Quinoa Stuffing

This quinoa stuffing is loaded with butternut squash, mushrooms and herbs. It’s a healthy, savory gluten-free side dish to add to your Thanksgiving table.
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A serving of healthy tuna noodle casserole on a plate.
5 from 10 votes

Healthy Tuna Noodle Casserole

A healthier version of the comfort food classic, this tuna noodle casserole combines protein-packed chickpea rotini, albacore tuna, veggies and a creamy sauce. It comes together quickly and makes for a great comforting fall/winter dinner.
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4.60 from 15 votes

Mexican Quinoa Casserole (& More Healthy Casseroles)

This Mexican quinoa casserole is a healthy casserole the whole family will love. It's packed with veggies, black beans and lots of cheesy goodness.
Prep Time: 10 minutes
Cook Time: 1 hour
Total Time: 1 hour 10 minutes
Servings: 6

Ingredients  

  • 1 cup water
  • ½ cup dry quinoa
  • 3 cups sweet potato, diced
  • 1 medium red bell pepper, diced
  • ½ small yellow onion, diced
  • 1 Tablespoon + 1 teaspoon McCormick Gluten-Free Taco Seasoning
  • 1 14 oz can of black soybeans or black beans, rinsed and drained
  • ¼ cup sliced green onion
  • ¼ cup cilantro, chopped
  • 1 ½ cups prepared salsa, mild, medium or hot
  • 2 cups shredded Mexican cheese blend
  • 2% Greek yogurt, avocado, extra green onion and cilantro (for topping)

Instructions 

  • Bring the water and quinoa to a boil in a saucepan. Reduce to a simmer, cover and cook for 15 minutes. Remove from heat and let the covered saucepan cool for 4-5 minutes. Remove the lid and fluff with a fork. Set aside.
  • Preheat the oven to 350° F. Grease a 9″x 13″ dish and spread the sweet potato, bell pepper, and onion in the bottom. Sprinkle with 1 teaspoon of the taco seasoning.
  • In a bowl combine the beans, cooked quinoa, green onion, cilantro and 1 tablespoon of taco seasoning; mix well.
  • Place the bean and quinoa mixture over the veggies in the baking dish. Spread salsa on top of the quinoa mixture. Top with cheese.
  • Cover with aluminum foil and bake for 40 minutes. Removed cover and bake for another 20 minutes or until cheese has melted, the sweet potatoes are cooked and everything is hot throughout.
  • Serve immediately topped with greek yogurt, avocado slices, green onion and cilantro if desired.

Nutrition

Serving: 1/6 of recipe | Calories: 348kcal | Carbohydrates: 34g | Protein: 18g | Fat: 15g | Fiber: 7g | Sugar: 5g

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Lunch/Dinner
Cuisine: Mexican
Keyword: healthy casserole
Did you make this recipe?Mention @eatingbirdfood and tag #eatingbirdfood!

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About Brittany

Hey there, I’m Brittany, the creator of Eating Bird Food, cookbook author, health coach and mama of two littles. Here you’ll find quick and easy recipes that make healthy fun and enjoyable for you and your family!

More about Brittany
Chicken fajita filling on a sheet pan with a wooden spoon. Tortillas are resting on the bottom of the sheet pan.
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2 Comments

  1. Can you say leftovers? I love casseroles and the ease of packing lunch the next day. I’m looking forward to trying some of these out.