24 Easy Casseroles to Make for Dinner on Busy Monday Nights

Think of this vegetarian enchilada casserole as a veggie-packed Mexican lasagna with corn tortillas standing in for the noodles! If your peppers are mild and you like heat, opt for spicy pico de gallo. This easy vegetarian dinner recipe is sure to become a new family favorite.

Like sloppy Joes? Then you'll love this sloppy Joe casserole recipe. This kid-friendly dinner has the classic sloppy Joe flavors kids love, while parents will like all the veggies that are packed in to make it a healthy meal.

This protein-loaded chicken and sweet potato casserole dish is made with multicolored quinoa, a blend of white, red and black varieties, but any color will work.

This one-pan recipe is the casserole version of spanakopita! It's hearty enough to enjoy as a vegetarian lunch or dinner, yet versatile enough to serve alongside just about any protein. To make it extra creamy, top each serving with a dollop of sour cream.

This comforting weeknight casserole recipe features plenty of mushrooms and asparagus combined with chicken and brown rice and a creamy Parmesan cheese sauce. Whip this up anytime you have leftover chicken or cooked brown rice to spare.

Maya Feller, M.S., RD, CDN, of Brooklyn-based Maya Feller Nutrition, has worked with many low-income families and is well-versed in the realities of putting food on the table that is healthy, tastes good, isn't time-prohibitive and is affordable. "A traditional tuna casserole provides both protein and carbohydrates to keep you full, and is kid-friendly and easy to make," she says about this tuna casserole recipe. (This recipe was part of a feature story, "The Real Cost of Healthy Food," in EatingWell magazine and has not been tested by our Test Kitchen.)

Strands of tender squash replace pasta for a more flavorful version of spaghetti pie casserole. Not to mention, spaghetti squash is a low-carb alternative to pasta and saves more than 150 calories per serving compared to a traditional recipe. A sprinkling of nutty fontina cheese melts into a gooey topping.

Get your veggies and your protein fix in this easy, gluten-free chicken and cauliflower-rice casserole. Riced cauliflower stands in for traditional rice, making this creamy casserole low in carbs but—with the simple combination of Cheddar cheese and chicken—suitable for even the pickiest of eaters.

This Reuben casserole recipe has all the delicious elements of a Reuben sandwich with much less sodium and calories. Thinly sliced angel hair cabbage cooked with a splash of vinegar stands in for the sauerkraut, and lower-sodium deli turkey adds a rich, meaty flavor in place of the traditional corned beef.

Use reduced fat soup and fat-free milk to make this favorite casserole lower in fat and calories. Adding a variety of vegetables makes it more nutritious than the traditional recipe.

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.

In this jalapeño popper casserole, tender, juicy bites of chicken are slathered in a creamy, slightly spicy, sauce with a crunchy topping of panko breadcrumbs and crispy bacon. Enjoy this casserole over rice for dinner or serve it with chips as a game-day appetizer.

Simplify weeknight dinnertime by transforming leftover slow-cooked chicken (see associated recipe, below) into an easy, cheesy casserole.

This hearty casserole features ground beef, beans, and pasta baked in a flavorful Mexican-inspired sauce and topped with cheese and sour cream. Kids will love it!

This cheesy tortellini bake is a dish the whole family will love--it's filled with sweet-tasting marinara, mushrooms and spinach and topped with melted cheese. Complete the meal, plus get in another vegetable serving, by adding a side of broccoli or a small green salad.

This veggie-packed beef enchilada casserole is mild, so put out hot sauce and chopped jalapeños if you're feeding heat-seekers. The quick and easy dinner recipe makes extra cheese sauce--save it to make One-Pot Mac & Cheese with Cauliflower & Brussels Sprouts later in the week (see Associated Recipes) or serve it with steamed vegetables, such as broccoli, for an easy side dish.

Casseroles make perfect meal-prep dinners--this enchilada version is so easy to prep ahead. The whole casserole can be built and left to hang out in the refrigerator for up to three days. Then all you have to do is bake it off on a busy night and you have a healthy dinner on the table in a jiff. The quick homemade enchilada sauce in this recipe is great when you don't have any of the canned sauce on hand--just season crushed tomatoes with spices and salt for an instant enchilada sauce.

This quick and easy seafood casserole gets bright flavor from fresh dill and feta cheese.

This unique take on a pizza casserole combines mushrooms, summer squash, onion, sweet pepper and ground turkey. Not only is it easy to prepare, but it fits into a diabetic friendly diet.

Make this quick and easy casserole for Sunday brunch or breakfast any day of the week!

Usually made by layering creamy chicken and tortillas (lasagna-style), this classic Tex-Mex chicken casserole gets speedier for an easy weeknight dinner when we mix everything together in a skillet, then pop the whole pan under the broiler to make the cheese topping gooey.

Plan ahead to make extra pork chops (see associated recipe, below) for this easy, cheesy casserole.

Salmon is tossed with couscous, spinach, and roasted red peppers, then topped with toasted almonds for a light and easy meal that's ready in less than 30 minutes.

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