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25 Holiday Casseroles No One Would Guess Were Healthy

Whether it's for breakfast, a side dish or the main meal, these casserole recipes will help keep your holidays healthy.

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Spaghetti Squash Meatball Casserole

One of our favorite comfort food dinners is spaghetti and meatballs. We’re crazy about this lightened-up, healthier version featuring so many veggies. The same beloved flavors with more nutritious ingredients! — Courtney Stultz, Weir, Kansas

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New England Lamb Bake

This dish is hearty and perfect for warming up on a chilly winter evening. The aroma is almost as delightful as the dish itself. —Frank Grady, Fort Kent, Maine
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Overnight Brunch Casserole

I love to cook for company and do brunch frequently. Different from most egg bakes, this casserole combines scrambled eggs and a cheese sauce that bake up into a rich and creamy dish. —Candace Hesch, Mosinee, Wisconsin
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Mushroom Penne Bake

This is an easy, hearty and delicious meal for a chilly evening! Its cheesy goodness will have you going in for seconds. Serve with salad and garlic bread. —Sue Aschemeier, Defiance, Ohio
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Rustic Vegetable Frittata

I love that this veggie-loaded frittata combines seriously nutritious ingredients into a filling dish I can serve as breakfast, lunch or dinner—and is still delicious even as leftovers! —Deborah Jamison, Austin, Texas
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Spaghetti Squash with Balsamic Vegetables and Toasted Pine Nuts

The veggies can be prepped while the squash is in the microwave, so I can have a satisfying low-carb and low-fat meal on the table in about half an hour. —Deanna McDonald, Grand Rapids, Michigan
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Herb Breakfast Frittata

I came up with this recipe on a snowy day by using what I had in the fridge. Yukon Gold potatoes give this frittata a comforting bottom crust. —Katherine Hansen, Brunswick, Maine
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Zucchini Lasagna

Zucchini Lasagna

I plant zucchini every year, and we always seem to have more than we can use! This recipe is a particularly delicious way I use our abundant crop. —Charlotte McDaniel, Williamsville, Illinois
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Sausage Tortilla Breakfast Bake

Sausage Tortilla Breakfast Bake

This casserole is perfect for a special brunch. It combines the spices of the Southwest with the comfort of a hearty breakfast. You can spice it up by adding cayenne and hot peppers, or mellow it by replacing the tomatoes and green chilies with mild salsa. It’s versatile and easy—no wonder it’s a longtime family favorite. —Darlene Buerger, Peoria, Arizona
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Sweet Corn and Potato Gratin

This tasty potato gratin side dish combines great garlic and onion flavor, and kids love the nice crispy topping, too! —Jennifer Olson, Pleasanton, California
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Frittata Florentine

My family is all about brunchy meals like this gorgeous Italian omelet. Lucky for us, it’s loaded with ingredients we tend to have at the ready. —Jenny Flake, Newport Beach, California
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Mushroom Turkey Tetrazzini

This creamy, comforting casserole makes a fantastic way to use up that leftover Thanksgiving turkey. And it’s a real family-pleaser! —Linda Howe, Lisle, Illinois.
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Spaghetti Squash Casserole Bake

Spaghetti Squash Casserole Bake

Don't be fooled by this recipe—it only looks complicated. long ago, one of our daughters passed it on along with squash from her first garden.—Glenafa Vrchota, Mason City, Iowa
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Smoked Salmon Quiche

My son fishes for salmon on the Kenai River in Alaska and smokes much of what he catches. My mother passed this recipe on to me to help me find new ways to cook with salmon. Regular salmon also works in this quiche, but the smoked flavor can't be beat! —Rose Marie Cherven, Anchorage, Alaska
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Turkey Spaghetti Casserole

Turkey Spaghetti Casserole

My mom made this creamy comforting dish when I was growing up. Whenever I have leftover chicken or turkey, I look forward to making this simple, yet tasty, filling dish. —Casandra Hetrick, Lindsey, Ohio
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Calico Pepper Frittata

Calico Pepper Frittata

For a dish that fits any meal, you can’t beat the frittata. We add red and green peppers and use the stovetop instead of the oven. —Loretta Kelcinski, Kunkletown, Pennsylvania
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Roasted Vegetable Strata

With the abundance of zucchini my family has in the fall, this is the perfect dish to use some of what we have. Cheesy and rich, the warm, classic breakfast dish is sure to please! —Colleen Doucette, Truro, Nova Scotia
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Basil Corn & Tomato Bake

I think this is the ultimate dish to make when sweet Jersey corn is in season. Combined with tomatoes, zucchini and basil, it makes for a spectacular side for brunch, lunch or dinner. —Erin Chilcoat, Central Islip, New York
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Sunday Brunch Egg Casserole

My favorite brunch dish got a makeover with egg substitute and lower-fat cheese. The lightened-up version still tastes delicious, but it won't weigh you down. —Alice Hofmann, Sussex, Wisconsin
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Artichoke Ratatouille Chicken

I loaded all the fresh produce I could find into this speedy chicken dinner. Serve it on its own or over pasta. —Judy Armstrong, Prairieville, Louisiana
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Creamy Skinny Pasta Casserole

Baked pasta is a favorite potluck dish, so I altered some of the ingredients in my traditional recipe to make it lower in calories. Try this healthy pasta recipe with ground beef, too! —Andrea Bolden, Unionville, Tennessee
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Slow-Cooker Frittata Provencal

This recipe means that a delectable dinner is ready when I walk in the door from work. The meatless slow cooker meal also makes an elegant brunch for lazy weekend mornings. —Connie Eaton, Pittsburgh, Pennsylvania
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Black Bean & White Cheddar Frittata

This is one of my favorite comfort foods for breakfast or even a quick dinner. I like to make it with lime salsa. But if you're looking for something with more kick, use hot salsa or add some chipotle pepper. —Aysha Schurman, Ammon, Idaho
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Colorful Pepper Frittata

Our taste testers loved this fluffy breakfast packed with three kinds of bright sweet peppers and minced fresh basil. It’s filling and tasty, full of fresh flavors to start the day. —Jessie Apfe, Berkeley, California
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Chicken Brunch Bake

Chunks of tender chicken add heartiness to this appealing brunch casserole. This was my son's favorite hot lunch meal from high school. —DeLee Jochum, Dubuque, Iowa

Caroline Stanko
As an Associate Digital Editor, Caroline writes and edits all things food-related and helps produce videos for Taste of Home. When she’s not at her desk, you can probably find Caroline cooking up a feast, planning her next trip abroad or daydreaming about her golden retriever, Mac.