Sunday dinner is easier to justify when it gives you more than one meal. These 17 big-pan dinners focus on casseroles, slow cooker dishes, lasagnas, and baked pasta recipes that make extra portions without turning the week into a cooking marathon. The mix covers beef, chicken, tuna, pasta, and vegetable-heavy pans, so lunch does not have to look like the same container every day. Pick one for Sunday, pack the extra portions, and Tuesday has a head start before the week gets bossy.

Big Mac Sloppy Joe

Built with 1 pound of ground beef and ready in 35 minutes, Big Mac Sloppy Joes turn Sunday dinner into six saucy sandwich portions. The filling uses onion, cheddar cheese, pickles, shredded lettuce, and a mayo-based sauce with relish, mustard, vinegar, and paprika. Pack the meat mixture separately from the buns for Tuesday so lunch stays sturdy instead of soggy. It works well when you want a casual dinner that still gives useful leftovers.
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Cheeseburger Casserole

With elbow macaroni, 1 pound of lean ground meat, onion, garlic, cheddar cheese, ketchup, mustard, and pickles, The BEST Cheeseburger Casserole Recipe feeds six in 45 minutes. It lands in the right spot for a Sunday pan because the pasta and beef bake together into scoopable portions. Add a simple salad or sliced cucumbers on the side for dinner, then pack the extra squares for Tuesday lunches.
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Chicken and Dumpling Casserole

Ready in 40 minutes and portioned for six, Chicken and Dumpling Casserole Recipe brings shredded chicken, chicken stock, peas, carrots, onion, flour, egg, and milk into one 9×13 dish. The dumpling layer helps it hold up better than a loose soup when packed for later. It is a good Sunday choice when you want a chicken dinner that can move from table to container without much fuss.
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Chicken and Rice Casserole

Made with long-grain white rice, cream of mushroom soup, milk, cheddar cheese, and chicken thighs, Chicken and Rice Casserole feeds six after a longer 1 hour 50 minute bake. That slower Sunday oven time pays off with a full pan of rice and chicken that reheats well. Add green beans or a simple side salad for dinner, then portion the leftovers into Tuesday lunch containers before the week gets crowded.
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Chicken Pot Pie Casserole

Layered with puff pastry, chicken breasts, celery, carrots, peas, chicken broth, and heavy cream, Chicken Pot Pie Casserole Recipe serves six in 1 hour 5 minutes. The 9×13 format makes it easier to cut and pack than a full pie with loose filling. It fits Sunday cooking when you want something more substantial than sandwiches, while the leftovers can become a fork-friendly lunch with no extra assembly.
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Copycat Cracker Barrel Chicken and Dumplings

Using boneless chicken breasts, chicken broth, flour, baking powder, butter, and whole milk, Copycat Cracker Barrel Chicken and Dumplings makes six servings in about 1 hour. The dumplings and shredded chicken create a filling meal that can be portioned into microwave-safe containers. Serve it with green beans or cornbread on Sunday, then keep the extra bowls ready for Tuesday when lunch needs more than snack energy.
Get the Recipe: Copycat Cracker Barrel Chicken and Dumplings
Slow Cooker Cowboy Casserole

After 5 hours 10 minutes in the slow cooker, Slow Cooker Cowboy Casserole gives six servings from ground beef, corn, cream of mushroom soup, sour cream, cheddar cheese, onion, and frozen tater tots. It is built for a Sunday when the appliance can handle most of the work while you do other things. The leftovers freeze or refrigerate well, making Tuesday lunch feel less like a sad desk situation.
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Slow Cooker Mac n Cheese

Creamy and hands-off, Slow Cooker Mac and Cheese serves eight after 3 hours 10 minutes with uncooked macaroni, cheddar, mozzarella, whole milk, evaporated milk, butter, paprika, and optional Dijon mustard. It works as a big Sunday side or a main dish with roasted vegetables or chicken added nearby. Portion the extra pasta while it is still easy to scoop, then reheat with a splash of milk for Tuesday.
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Taco Casserole

Ready in 45 minutes and serving six, Taco Casserole layers corn tortillas, lean ground beef, onion, garlic, taco seasoning, tomato, black olives, black beans, and shredded Mexican cheese. The baked format keeps taco-night flavors in a lunch-container shape instead of sending toppings everywhere. Add lettuce or salsa after reheating if you want it fresher for Tuesday, but the base does the heavy lifting.
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Tater Tot Casserole

Fast enough for a busy Sunday, Tater Tot Casserole serves six in 25 minutes with ground beef, onion, garlic, Worcestershire sauce, cream of mushroom soup, cheddar cheese, and tater tots. The crisp topping is best at dinner, but the beefy base still reheats well for lunches. Pair it with broccoli or carrots to round out the plate, then pack the rest before anyone claims seconds again.
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Tuna Noodle Casserole

Made for eight servings in 35 minutes, Tuna Noodle Casserole uses egg noodles, garlic, red onion, milk, cheddar cheese, tuna, panko, Parmesan, and melted butter. That larger yield makes it useful when Sunday dinner needs to cover more than one lunch day. The crunchy topping may soften in storage, but the noodle and tuna base stays practical for reheating. Add a green salad for dinner and fruit for Tuesday.
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Walking Taco Casserole

Packed with ground beef, onion, garlic, taco seasoning, short pasta, red salsa, black beans, cheddar cheese, lettuce, pico de gallo, and sour cream, Walking Taco Casserole serves six in 25 minutes. Keep the cold toppings separate if you plan to pack leftovers for Tuesday. The pasta and beef base reheats neatly, which makes it more lunch-friendly than loose tacos. It also works when Sunday needs a quick pan.
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Spinach and Ricotta Lasagna

Layered with ricotta, mozzarella, Parmesan, marinara sauce, mushrooms, bell pepper, zucchini, spinach, carrots, and no-boil noodles, Spinach and Ricotta Lasagna serves eight with 30 minutes of prep and 45 minutes of cooking. The vegetable layers give this pan enough structure for sliced leftovers. It is a strong Sunday option when you want a dinner that still packs like a full meal. Add garlic bread at dinner, then save slices for Tuesday.
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Vegetarian Shepherds Pie

Topped with mashed potatoes and filled with carrots, celery, mushrooms, white beans, tomato paste, vegetable broth, rosemary, and mixed vegetables, Vegetarian Shepherd’s Pie serves eight in 1 hour 15 minutes. The potato topping helps the filling stay contained when packed for lunches. It fits a Sunday big-pan plan because one bake can cover dinner and several reheats. A green salad or roasted Brussels sprouts works well beside it.
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Chicken Tetrazzini

Baked with cooked chicken, thin spaghetti, mozzarella, cheddar, Parmesan, sour cream, cream of mushroom soup, chicken broth, and peas, Chicken Tetrazzini serves six in 1 hour. The pasta bake can be assembled ahead, then baked when Sunday dinner needs to be straightforward. Leftovers stay useful because the sauce keeps the noodles from turning dry too fast. Pack it with steamed vegetables for Tuesday lunch.
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Sloppy Joe Casserole

With lean ground beef, onion, ketchup, yellow mustard, Bisquick mix, milk, and cheddar cheese, Sloppy Joe Casserole serves six in 45 minutes. It keeps the sloppy joe flavor in a scoopable pan instead of a messy bun, which helps when leftovers need to travel. Let the casserole rest before slicing so portions hold together better. Add coleslaw or cucumber sticks for Sunday dinner, then box up the extra.
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Chicken Alfredo Lasagna

Creamy layers of cooked shredded chicken, lasagna sheets, mozzarella, Parmesan, spinach, heavy cream, milk, garlic, and Italian seasoning make Easy Chicken Alfredo Lasagna Recipe serve eight in 1 hour 5 minutes. The 9×13 pan gives you dinner plus several slices for lunches. It is rich enough to stand on its own, so Tuesday only needs a simple vegetable side or salad to keep the container balanced.
Get the Recipe: Chicken Alfredo Lasagna