These 29 Casserole Recipes Helped Us Cut Back On Food Waste

ByMandy

These 29 casserole recipes helped cut back on food waste in the best way. Leftover bits turned into warm, tasty meals with little effort. Nothing had to go in the trash when everything found a place in one dish. Full trays came out of the oven, and clean plates followed. Every bite felt good, knowing less was wasted.

A serving of cheesy baked spaghetti is being lifted with a utensil. The dish is topped with melted cheese and garnished with herbs.
Spaghetti Casserole. Photo credit: My Reliable Recipes.

Crack Chicken Casserole

Close-up of a baked apple crumble dessert in a ceramic dish, featuring a golden-brown crumbly topping.
Crack Chicken Casserole. Photo credit: Hungry Cooks Kitchen.

Leftovers can truly come together into a creamy and comforting meal with Crack Chicken Casserole. It brings together simple ingredients to make a dish that’s perfect for using up odds and ends in your fridge. Whether you’re feeding a few or a crowd, this one hits the spot every time.
Get the Recipe: Crack Chicken Casserole

Asparagus Casserole

Cheesy asparagus casserole on a plate with a fork.
Asparagus Casserole. Photo credit: Splash of Taste.

Combining tender asparagus with a rich base, Asparagus Casserole introduces a way to use up those extra vegetables. It’s hearty and full of flavor, making it a go-to option for cleaning out the fridge. The layers come together easily, leaving nothing to waste. A perfect option for when you need something quick and delicious.
Get the Recipe: Asparagus Casserole

Easy Cornbread Casserole

A portion of a cheesy, golden-brown savory cornbread casserole is being lifted from the dish, showing its flaky crust and gooey cheese filling.
Easy Cornbread Casserole. Photo credit: Hungry Cooks Kitchen.

Transform leftovers into a soft, hearty creation with Easy Cornbread Casserole. It’s a clever way to give new life to ingredients without anything going to waste. A simple bake that fills you up while being effortless in its preparation. Perfect for moments when you want something easy yet comforting.
Get the Recipe: Easy Cornbread Casserole

Pizza Casserole

A close-up of a baked pasta dish with melted cheese, pepperoni slices, and herbs, showing a serving being lifted, revealing gooey cheese strands.
Pizza Casserole. Photo credit: My Reliable Recipes.

With its combination of basic ingredients, Pizza Casserole turns pantry staples into a family-friendly meal. It’s an easy way to bring extra ingredients together and save food that might otherwise go unused. Full of cheesy goodness and familiar flavors, this one’s always a winner. You’ll love how simple and waste-free it feels to make.
Get the Recipe: Pizza Casserole

Green Bean Casserole

A casserole dish filled with green bean casserole with a spoon in it.
Green Bean Casserole. Photo credit: Splash of Taste.

Fresh or leftover green beans turn into something amazing with Green Bean Casserole. This dish is perfect for creating something hearty out of everyday items in your kitchen. Every bite will remind you how simple food can still pack a punch. Plus, it ensures nothing gets left behind on grocery day.
Get the Recipe: Green Bean Casserole

Hamburger Casserole

A close-up of a spoon lifting a portion of hamburger casserole, showcasing baked macaroni and cheese layered with ground meat and topped with lettuce and creamy sauce.
Hamburger Casserole. Photo credit: Hungry Cooks Kitchen.

Ground beef and pantry staples come together in a tasty meal called Hamburger Casserole. It’s ideal for using up those half-used boxes, cans, or veggies hanging around. Everything blends into a rich, filling dish that feels like home cooking at its best. A creative way to cut back on waste while enjoying something hearty.
Get the Recipe: Hamburger Casserole

Sausage Casserole

A baked dish containing sliced sausages, potatoes, and green beans in a white casserole dish with a serving spoon.
Sausage Casserole. Photo credit: My Reliable Recipes.

Leftover sausage finds new life when it’s baked into Sausage Casserole. It’s a dish that transforms simple fridge and pantry staples into something big on flavor. Nothing feels wasted here, turning odds and ends into something greater. It’s perfect for anyone aiming to reduce waste and feed a crowd easily.
Get the Recipe: Sausage Casserole

Tuna Noodle Casserole

A baking dish filled with golden-brown baked tuna noodle casserole, topped with breadcrumbs and garnished with chopped parsley.
Tuna Noodle Casserole. Photo credit: Pocket Friendly Recipes.

Those canned goods in your pantry can shine in Tuna Noodle Casserole. It’s a fantastic way to put extra tuna or noodles to good use while still creating a filling dish. Everything blends smoothly, resulting in a comforting meal that also cuts back on waste. Ideal for when you want something easy with less effort.
Get the Recipe: Tuna Noodle Casserole

Biscuits and Gravy Casserole

Close-up of a savory biscuit with a creamy ham filling, looking like a gourmet twist on a Biscuits and Gravy Casserole, served elegantly on a plate.
Biscuits and Gravy Casserole. Photo credit: Hungry Cooks Kitchen.

Take biscuits and leftover gravy to the next level with Biscuits and Gravy Casserole. A creative way to reduce leftover items while still enjoying a warm and filling dish. Every bite brings together familiar flavors into something exciting. It’s proof that leftovers have a lot of potential with a little creativity.
Get the Recipe: Biscuits and Gravy Casserole

Potato Casserole

Potato Casserole being served.
Potato Casserole. Photo credit: Splash of Taste.

Extra potatoes can become a star ingredient when put into Potato Casserole. It’s a dish built on the idea of making everything count, avoiding any food going to waste. With a creamy, baked finish, it’s hard to resist how much it satisfies. A quick choice when you’re looking to do something useful with kitchen leftovers.
Get the Recipe: Potato Casserole

Million Dollar Casserole

A serving spoon lifts a portion of creamy, baked casserole with a crunchy topping, revealing melted cheese.
Million Dollar Casserole. Photo credit: Hungry Cooks Kitchen.

Unused cream cheese or leftover pasta can be turned into something magical like Million Dollar Casserole. Every bite blends rich flavors and ensures nothing sits forgotten in your fridge. It’s an excellent choice when you need to bring together simple ingredients into something memorable.
Get the Recipe: Million Dollar Casserole

Ravioli Casserole

Close-up of a baked dish with ravioli, mushrooms, asparagus, and melted cheese on top.
Ravioli Casserole. Photo credit: My Reliable Recipes.

Save that unopened bag of ravioli for a meal like Ravioli Casserole. Layers of sauce, cheese, and pasta come together for a meal that minimizes waste while feeling homemade. You’ll appreciate how easily it can be made with staples you probably already have. It’s a great go-to for nights when you don’t know what to make.
Get the Recipe: Ravioli Casserole

Easy Chicken Casserole

A fork lifting a cheesy bite from a bowl of chicken casserole topped with bacon and breadcrumbs.
Easy Chicken Casserole. Photo credit: Pocket Friendly Recipes.

Shredded chicken or leftovers can come together seamlessly in Easy Chicken Casserole. It’s all about transforming simple ingredients into something wholesome and delicious. Instead of letting anything go to waste, this dish gives everything a purpose. A reliable meal made with little effort yet plenty of heart.
Get the Recipe: Easy Chicken Casserole

Mexican Casserole

A plated serving of cheesy casserole with ground meat, topped with sliced green onions and parsley, accompanied by a fork.
Mexican Casserole. Photo credit: Hungry Cooks Kitchen.

Leftovers with a Tex-Mex twist make Mexican Casserole a fantastic option for dinner. It layers familiar ingredients while making use of anything that’s been sitting unused. Quick to assemble and rich in flavor, it’s a smart way to keep food waste at a minimum. A fun twist that puts your extras to their best use.
Get the Recipe: Mexican Casserole

Breakfast Casserole

A close-up of a spoon lifting a portion of a baked breakfast casserole dish containing vegetables, topped with a golden breadcrumb crust and garnished with a parsley leaf.
Breakfast Casserole. Photo credit: Two City Vegans.

An easy way to clean out the fridge, Breakfast Casserole turns eggs, sausage, and bread into a morning feast. It’s a mix of ingredients that might otherwise go uneaten and creates something everyone will enjoy. Perfect for starting the day while minimizing tossed-out leftovers.
Get the Recipe: Breakfast Casserole

Corn Casserole

Corn casserole in a casserole dish with a portion removed.
Corn Casserole. Photo credit: Splash of Taste.

Leftover corn gets a new life in Corn Casserole. It’s a great way to avoid food waste and create a comforting dish. Whether it’s a family meal or a potluck, this casserole is bound to be a hit. Give it a try and see how simple and delicious it can be.
Get the Recipe: Corn Casserole

Vegan French Toast Casserole

Close-up of baked French toast with strawberries, blueberries, and raspberries, dusted with powdered sugar and drizzled with syrup in a baking dish.
Vegan French Toast Casserole. Photo credit: Two City Vegans.

Stale bread becomes the star in Vegan French Toast Casserole. Perfect for breakfast or brunch, it’s a sweet way to reduce waste. Plus, it’s plant-based, making it a hit for everyone. Enjoy the unique twist on a classic favorite.
Get the Recipe: Vegan French Toast Casserole

Yellow Squash Casserole

Squash casserole being served with a wooden serving spoon.
Yellow Squash Casserole. Photo credit: Splash of Taste.

Extra squash turns into a tasty Yellow Squash Casserole. It’s an easy mix-and-bake dish that uses up those veggies before they go bad. Great for any dinner table, it’s simple yet flavorful. Make the most of your produce with this recipe.
Get the Recipe: Yellow Squash Casserole

Cowboy Casserole

Close-up of a cowboy casserole in a white dish, showing layers of ground meat and vegetables topped with a golden-brown mashed potato crust, garnished with chopped parsley.
Cowboy Casserole. Photo credit: Pocket Friendly Recipes.

Got leftover beans and ground meat? Transform them into Cowboy Casserole. It’s a hearty, comforting dish that minimizes waste and maximizes flavor. Perfect for a cozy dinner with family or friends. It’s all about maximizing flavor without wasting a bite.
Get the Recipe: Cowboy Casserole

Hashbrown Casserole

Hashbrown casserole being served.
Hashbrown Casserole. Photo credit: Splash of Taste.

Transform extra potatoes into Hashbrown Casserole for a hearty meal. It’s an ideal dish for breakfast or dinner, combining crispy hashbrowns with tasty ingredients. Enjoy making use of your leftover potatoes in a delicious, homestyle way.
Get the Recipe: Hashbrown Casserole

Vegan Tater Tot Casserole

Close-up of a dish with crispy tater tots, green bell peppers, and a creamy sauce, topped with fried onions.
Vegan Tater Tot Casserole. Photo credit: Two City Vegans.

Leftover veggies find a tasty purpose in Vegan Tater Tot Casserole. The crispy tots add a fun twist to a vegan-friendly dish. Great for any meal, this casserole is a creative way to cut back on waste. Indulge in a tasty plant-based dinner.
Get the Recipe: Vegan Tater Tot Casserole

Wild Rice Casserole

A bowl of pasta with lemon slices and parmesan cheese.
Wild Rice Casserole. Photo credit: Splash of Taste.

Extra wild rice becomes a dish to remember with Wild Rice Casserole. It’s a warm, filling recipe that makes the most of leftover grains. Perfect for holidays or everyday dinner, it’s a dish everyone will love. Make mealtime special by reducing waste.
Get the Recipe: Wild Rice Casserole

The BEST Cheeseburger Casserole

Fork lifting a serving of cheesy cheeseburger casserole garnished with parsley.
The BEST Cheeseburger Casserole. Photo credit: Pocket Friendly Recipes.

Leftover burgers find a new form in The BEST Cheeseburger Casserole. It’s a comforting, cheesy dish that feels like a special treat. Perfect for a quick, no-fuss dinner. Enjoy the familiar flavors in a fresh, new way.
Get the Recipe: The BEST Cheeseburger Casserole

Vegan Cheesy Broccoli and Rice Casserole

A casserole dish brimming with golden-brown bread crumbs, tender rice, and vibrant broccoli florets, this vegan cheesy broccoli and rice casserole is a delightful blend of flavors.
Vegan Cheesy Broccoli and Rice Casserole. Photo credit: Two City Vegans.

Use up that broccoli with Vegan Cheesy Broccoli and Rice Casserole. It’s a creamy, plant-based dish that everyone will enjoy. Making use of leftovers has never been more delicious. Serve it up for a delicious, waste-reducing meal.
Get the Recipe: Vegan Cheesy Broccoli and Rice Casserole

Best Tuna Casserole

Tuna casserole in a white baking dish.
Best Tuna Casserole. Photo credit: Pocket Friendly Recipes.

Extra tuna turns into Best Tuna Casserole for a classic comfort meal. It’s a creamy, delicious dish that’s perfect anytime. An excellent way to make sure no food gets wasted. Enjoy this staple in a new way.
Get the Recipe: Best Tuna Casserole

Brussels Sprouts Casserole

Casserole dish with Brussels sprouts, crispy onions, cheese, and herbs, mixed with a spoon.
Brussels Sprouts Casserole. Photo credit: Splash of Taste.

Extra Brussels sprouts find a new home in Brussels Sprouts Casserole. This dish turns those veggies into a creamy, crispy delight. Ideal for family dinners or potlucks, it’s a great way to cut down on waste. Enjoy every bite with no guilt.
Get the Recipe: Brussels Sprouts Casserole

Turkey Casserole

Close-up of a plate of creamy turkey casserole topped with bread crumbs and garnished with fresh basil leaves, reminiscent of a comforting turkey casserole.
Turkey Casserole. Photo credit: Pocket Friendly Recipes.

Leftover turkey gets transformed into Turkey Casserole. It’s a rich, hearty dish perfect for using up those holiday leftovers. Simple to make and incredibly flavorful. Your food waste problems are solved with this recipe.
Get the Recipe: Turkey Casserole

French Toast Casserole

A person taking a portion of French toast casserole.
French Toast Casserole. Photo credit: Splash of Taste.

Stale bread becomes magic with French Toast Casserole. Ideal for breakfast or brunch, it’s a sweet and perfect way to reduce waste. Gather around and dig into this delicious dish. You’ll love making your mornings special.
Get the Recipe: French Toast Casserole

Spaghetti Casserole

A serving of cheesy baked spaghetti is being lifted with a utensil. The dish is topped with melted cheese and garnished with herbs.
Spaghetti Casserole. Photo credit: My Reliable Recipes.

Leftover pasta turns into Spaghetti Casserole. It’s a delicious way to reinvent yesterday’s dinner. Easy to prepare and loved by everyone, it’s perfect anytime. Say goodbye to food waste with this amazing dish.
Get the Recipe: Spaghetti Casserole

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