This comforting mac and cheese casserole combines the creamy goodness of cheddar cheese with the delicate flavor of imitation crab meat. It's a delightful twist on a classic dish, perfect for family dinners or potlucks. The golden, bubbly top adds a satisfying crunch to every bite.
If you don't usually have imitation crab meat in your pantry, you can find it in the seafood section of most supermarkets. It's a budget-friendly alternative to real crab and adds a unique flavor to the dish. Make sure to also pick up elbow macaroni and shredded cheddar cheese if they're not staples in your kitchen.

Ingredients for Mac and Cheese Casserole with Imitation Crab
Elbow macaroni: A type of pasta that serves as the base for the casserole.
Shredded cheddar cheese: Provides the rich, cheesy flavor and creamy texture.
Milk: Helps create the creamy sauce that binds the dish together.
Butter: Adds richness and helps create the roux for the sauce.
All-purpose flour: Used to thicken the sauce.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a hint of spice and depth to the flavor.
Imitation crab meat: Adds a seafood twist to the classic mac and cheese.
Technique Tip for This Recipe
When making the cheese sauce, ensure you stir constantly while adding the milk to prevent lumps from forming. This will result in a smoother, creamier sauce. Additionally, for an extra layer of flavor, consider adding a pinch of nutmeg or a dash of hot sauce to the sauce before mixing it with the macaroni and imitation crab meat.
Suggested Side Dishes
Alternative Ingredients
elbow macaroni - Substitute with penne pasta: Penne pasta has a similar texture and will hold the cheese sauce well.
shredded cheddar cheese - Substitute with gruyere cheese: Gruyere melts smoothly and adds a rich, nutty flavor.
milk - Substitute with evaporated milk: Evaporated milk provides a creamier texture and richer taste.
butter - Substitute with margarine: Margarine can be used as a dairy-free alternative with a similar fat content.
all-purpose flour - Substitute with cornstarch: Cornstarch can thicken the sauce without altering the flavor.
salt - Substitute with soy sauce: Soy sauce adds a salty flavor along with a hint of umami.
black pepper - Substitute with white pepper: White pepper provides a similar heat without altering the color of the dish.
flaked imitation crab meat - Substitute with cooked shrimp: Cooked shrimp offers a similar seafood flavor and texture.
Alternative Recipes Similar to This Casserole
How to Store or Freeze This Casserole
- Allow the mac and cheese casserole to cool completely before storing. This prevents condensation from forming, which can make the dish soggy.
- Transfer the cooled casserole into an airtight container. If you don't have a container large enough, you can use heavy-duty aluminum foil to wrap it tightly.
- For short-term storage, place the container in the refrigerator. The casserole will stay fresh for up to 3-4 days.
- For longer storage, consider freezing the casserole. Wrap the container or dish in a layer of plastic wrap followed by a layer of aluminum foil to prevent freezer burn.
- Label the container with the date of preparation to keep track of its freshness.
- When ready to reheat, if frozen, thaw the casserole in the refrigerator overnight. This ensures even reheating.
- Preheat your oven to 350°F (175°C). Transfer the casserole to an oven-safe dish if it isn't already in one.
- Cover the dish with aluminum foil to prevent the top from drying out. Bake for 20-30 minutes, or until heated through. Remove the foil for the last 5-10 minutes to allow the top to become golden and bubbly.
- Alternatively, you can reheat individual portions in the microwave. Place a serving on a microwave-safe plate, cover with a microwave-safe lid or another plate, and heat on medium power for 2-3 minutes, stirring halfway through.
- Add a splash of milk or a small pat of butter before reheating to restore creaminess if the casserole appears dry.
How to Reheat Leftovers
Oven Reheating: Preheat your oven to 350°F (175°C). Place the leftover mac and cheese casserole in an oven-safe dish. Cover it with aluminum foil to prevent it from drying out. Bake for about 20-25 minutes, or until it is heated through and the top is bubbly. For an extra crispy top, remove the foil for the last 5 minutes of baking.
Stovetop Reheating: Transfer the mac and cheese casserole to a non-stick skillet. Add a splash of milk or cream to help restore its creamy texture. Heat over medium-low, stirring occasionally, until it is warmed through. This method helps maintain the dish's creamy consistency.
Microwave Reheating: Place a portion of the mac and cheese casserole in a microwave-safe dish. Add a tablespoon of milk or cream to keep it moist. Cover with a microwave-safe lid or plastic wrap, leaving a small corner open to vent. Microwave on medium power for 1-2 minutes, stirring halfway through, until it is heated evenly.
Air Fryer Reheating: Preheat your air fryer to 350°F (175°C). Place the mac and cheese casserole in an air fryer-safe dish. Heat for about 5-7 minutes, checking halfway through to ensure it doesn't dry out. This method can give the top a nice, crispy finish.
Double Boiler Reheating: If you have a double boiler, this method is excellent for gently reheating without drying out. Place the mac and cheese casserole in the top part of the double boiler. Heat over simmering water, stirring occasionally, until it is warmed through. This method helps maintain the creamy texture and prevents burning.
Best Tools for This Recipe
Saucepan: Used to melt the butter and prepare the cheese sauce.
Whisk: Essential for stirring the flour, salt, and pepper into the melted butter and for gradually adding the milk to ensure a smooth mixture.
Measuring cups: Necessary for accurately measuring the milk, cheese, and other ingredients.
Measuring spoons: Used for measuring smaller quantities like salt and pepper.
Wooden spoon: Ideal for stirring the macaroni and imitation crab meat into the cheese sauce.
Colander: Used to drain the cooked macaroni.
Baking dish: The vessel in which the macaroni and cheese casserole will be baked.
Oven: Preheated to 350°F (175°C) for baking the casserole.
Oven mitts: Important for safely handling the hot baking dish when removing it from the oven.
Cheese grater: Used if you need to shred the cheddar cheese yourself.
Cutting board: Provides a surface for flaking the imitation crab meat if it needs to be broken down further.
Knife: Useful for cutting the imitation crab meat into smaller pieces if necessary.
How to Save Time on Making This Casserole
Pre-cook the macaroni: Cook the macaroni ahead of time and store it in the fridge. This way, you can skip the boiling step when you're ready to assemble the casserole.
Use pre-shredded cheese: Save time by using pre-shredded cheese instead of shredding it yourself. It melts just as well and speeds up the prep process.
Ready-made sauce: Consider using a store-bought cheese sauce to cut down on the time spent making the sauce from scratch.
Pre-measure ingredients: Measure out all your ingredients before you start cooking. This makes the assembly process quicker and more efficient.

Mac and Cheese Casserole with Imitation Crab
Ingredients
Main Ingredients
- 8 oz Elbow macaroni
- 2 cups Shredded cheddar cheese
- 1 cup Milk
- ¼ cup Butter
- ¼ cup All-purpose flour
- ½ teaspoon Salt
- ¼ teaspoon Black pepper
- 8 oz Imitation crab meat flaked
Instructions
- Preheat your oven to 350°F (175°C).
- Cook the macaroni according to package directions. Drain and set aside.
- In a saucepan, melt the butter over medium heat. Stir in the flour, salt, and pepper until smooth. Gradually add the milk, stirring constantly until the mixture thickens and bubbles.
- Remove from heat and stir in the cheese until melted. Add the cooked macaroni and imitation crab meat, mixing well.
- Transfer the mixture to a greased baking dish. Bake for 20-25 minutes, or until the top is golden and bubbly.
- Let it cool for a few minutes before serving.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
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