Memorial Day is a great time to gather with friends and family, and what better way to feed a crowd than with delicious casseroles? These 18 recipes are perfect for the occasion, offering a variety of flavors and ingredients that everyone will enjoy. From classic comfort foods to fresh and vibrant sides, these casseroles will make your holiday gathering memorable.
Baked Mixed Vegetable Casserole

This Baked Mixed Vegetable Casserole is a healthier option featuring Greek yogurt, cream of mushroom, and Del Monte® canned vegetables. It's topped with whole wheat crackers and cheese, making it a great dish for any holiday gathering.
Hash Brown Tomato Casserole
This Hash Brown Tomato Breakfast Casserole combines all your favorite breakfast foods into one tasty dish. It's great for potlucks or a weekend brunch.
Vegetable Potato Bake
This Vegetable Potato Bake is a simple and healthy dish packed with veggies and gooey cheese. It's a great side that pairs nicely with many different meals.
Vegan Pasta Bake
This vegan pasta bake is simple to prepare and packed with vegetables, all mixed with tomato sauce and topped with vegan cheese. You can use any vegetables you have on hand and either store-bought or homemade marinara.
Mixed Vegetable Casserole
This mixed vegetable casserole is a great side dish that everyone, including kids, will enjoy. It's perfect for potlucks or gatherings and is simple to prepare by steaming the veggies in the Instant Pot.
Potato And Sweet Potato Bake
Potato and Sweet Potato Bake is a straightforward dish that combines white and sweet potatoes for a creamy, cheesy treat. Baked in the oven, this side dish is perfect for various gatherings.
Zucchini Casserole
Zucchini Casserole is a creamy and cheesy side dish that features fresh zucchini and yellow squash, along with mayonnaise, sour cream, panko breadcrumbs, and plenty of cheese. It's simple to prepare and goes well with any meal, whether you're having chicken, beef, or fish.
Gorgonzola Mac and Cheese
This cheesy mac and cheese is made in just one dish, so there's no need to pre-cook anything. With mozzarella and gorgonzola, it's a simple and comforting meal that's perfect for any gathering.
Southern Tomato Pie
Southern Tomato Pie features fresh tomatoes, basil, thyme, mayo, and three types of cheese all nestled in a buttery cracker crust. This classic dish is perfect for summer and works well as a main course, side dish, or brunch option.
Kimchi Mac and Cheese
This mac and cheese is creamy and cheesy, with a crunchy topping that adds a nice texture. The addition of kimchi gives it a refreshing kick that balances out the richness, making it a great dish for any gathering.
Baked Potato Casserole
This creamy potato casserole turns simple potatoes into a delicious dish with crispy bacon, melted cheese, and fresh green onions. Add some tangy sour cream if you like, and it's perfect for Memorial Day gatherings.
Potato Cauliflower Bake
This Potato and Cauliflower Gratin features a creamy white sauce and a topping of Gruyere cheese, baked until golden and bubbly. It's a fantastic side dish that fits perfectly with any meal.
Butternut Squash Casserole
This Butternut Squash Casserole combines roasted butternut squash, crispy maple bacon, spiced apple, kale, and lots of cheese. With a crunchy panko topping baked to a golden brown, it’s a cozy dish that’s great for fall gatherings.
Mashed Potato Casserole
This mashed potato casserole is creamy and cheesy, perfect for any gathering. You can prepare it in advance, making it a great choice for busy days.
Mediterranean Vegetable Casserole
This Mediterranean vegetable casserole is loaded with healthy veggies and bursting with flavor. It's a hearty vegan dish that will keep everyone feeling full and satisfied.
Dump-and-Bake Mac & Cheese
Baked Mac and Cheese is simple to prepare and only takes about 10 minutes to get ready before it goes in the oven for 45 minutes. With a mix of Cheddar and Gruyere, this dish is loaded with cheesy goodness and flavor.
Baked Ricotta Pesto Pasta
Baked Ricotta Pesto Pasta combines fresh basil pesto with creamy ricotta and gooey mozzarella cheese, creating a comforting dish that's sure to please. Loaded with cherry tomatoes and baby spinach, this pasta bake is full of flavor and perfect for any gathering.
Tater Tot Casserole
This tater tot casserole is simple to make from scratch and doesn't use any canned soup. It features a mix of vegetables, lean ground beef in a tasty sauce, topped with melted cheddar cheese and crispy tater tots.
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