Mac and Cheese For A Crowd

Creamy and delicious this easy recipe for Mac and Cheese For A Crowd can be made in a roaster or large crock pots. A combination of cheddar and Velveeta cheeses makes this side dish irresistible!

Roaster full of mac and cheese for 50 people with a serving spoon inside

Reader Caitlyn says: “This was a huge hit at the graduation party I took it to. It was so cheesy and the perfect consistency. I don’t like a dry Mac and cheese and this definitely wasn’t. One of the best I’ve made thus far. Thank you for this recipe.”

Another reader Meagan says: “Made it for my son’s football team to feed at least 75 people over the summer. They loved it.”

If you are planning a party also check out our popular Fruit Salad for a Crowd recipe, Rice for a Crowd, and list of Graduation Party Food Ideas.

Mac and Cheese for a Crowd Recipe

This big batch recipe of easy and creamy Mac and Cheese is perfect for crowds at graduation parties, family reunions, holidays, church carry-ins or weddings.

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With inspiration from our Crock Pot Mac and Cheese and Velveeta Sells and Cheese recipe that are super popular on Pinterest, this roaster recipe for a crowd of 50 – 100 is equally delicious! People rave about how good this recipe is.

I like to make it with our Ham In A Roaster. I’ve seen teenage boys heap their plate with this homemade mac and cheese and then pile it high with bbq pork. The pasta also goes great with sliders or smoked meat!

Serving spoon of cheesy and creamy macaroni for a crowd

No roux required, just cook the pasta, add ingredients and stir several times to get a fantastic warm side dish.

After hearing how many people love our Cheesy Potatoes for a Crowd, Macaroni Salad for a Crowd and Green Beans for a Crowd, I knew this classic needed shared.

Ingredients Needed:

  • Elbow macaroni or small shells
  • Vegetable oil
  • Butter
  • Milk
  • Evaporated milk
  • Kosher salt
  • Velveeta cheese
  • Cheddar cheese

Make Ahead Mac & Cheese

The pasta can be cooked to al dente with the vegetable oil and butter stirred in. Store in a roaster liner or crock pot liner in the refrigerator for up to 2 days ahead of time.

For me the biggest challenge with making this ahead of time is finding the space in the fridge, so be sure to plan accordingly.

Allow additional cooking time for the pasta to warm up before the cheese can start to melt. Otherwise the directions can be resumed.

Be aware not to over cook the noodles or pile it too high as it can become smashed during the storage project. Also stir the butter and oil in very well to prevent the noodles from sticking together.

Large silver serving spoon in a large roaster of mac and cheese

Macaroni and Cheese for 50

It takes about 3 pounds of pasta with more cheese, milk and butter to feed 50 people

This recipe can be doubled to feed 100 people. Be sure to use a large roaster with plenty of room to stir for the bigger batch.

Recipe Tips & Tricks

  • Small shells also work well in this recipe.
  • The consistency of this bulk mac and cheese will continue to change over time and as heat is applied; if it seems to runny keep cooking on low until it firms up.
  • I find it easier to make double batches in multiple 7 or 8 quart crock pots than a roaster as there seems to be more variation in temperature and heating in a roaster.
  • Use plenty of non-stick spray, plan to soak the roaster and have SOS pads ready to scrub the roaster pan clean.
  • This recipe also tastes great with Velveeta only, but the cheddar does add so much more cheesy flavor.
  • Have a firm, strong, long handled spoon ready to stir and serve the macaroni.
  • An extra cup or two milk or can of evaporated milk can be added mid way through cooking if the mixture is getting too thick too soon. Stir well when adding!

How to Make Macaroni and Cheese in a Roaster

Cook pasta in heavily salted boiling water to al dente. Drain and pour into a generously greased roaster.

Add vegetable oil and cut sticks of butter into pats. Spread slices or pats of butter over top of the pasta and stir.

Pats of butter over top of cooked macaroni in a roaster with a large spoon to stir

Add milk and cans of evaporated milk to the roaster and stir well.

Evaporated milk and milk stirred into cooked elbow macaroni

Use a board scraper or large knife to cut process cheese into cubes. Sprinkle cubes over top of the macaroni in the roaster.

Cubes of Velveeta cheese on top of mac and cheese recipe for a crowd

Stir up all that beautiful cheese!

Chunks of Velveeta cheese stirred into milk and pasta mixture

Set roaster to 200°F. Cover and let cook for 45 minutes to 1 hour. Stir well.

Melted velveeta cheese in a big batch of mac and cheese

Keep a small plate or dish nearby to rest your spoon on. Stirring often is the key to success in this recipe!

Sprinkle cheddar cheese over the top and stir well.

Shredded cheddar cheese on top of roaster full of macaroni and cheese

Total cook time will be 2 to 2 1/2 hours. Stir every 30 to 45 minutes with special attention given to the corners, sides and bottom of the roaster.

When macaroni is close to being done or reaches your desired consistency turn roaster off if serving immediatley.

Turn to keep warm or the lowest setting possible and stir every 15 minutes if mac and cheese won’t be served for a while.

Melted yellow cheddar and Velveeta cheese in a roaster of cooked macaroni and cheese for a crowd

Leftovers And Reheating Instructions

When cooking for a crowd we always have some extra plastic containers to store leftovers since we never know how much will be eaten.

Storing in smaller containers with a few servings makes defrosting and reheating easier.

We do add milk and stir often while reheating in the oven if the macaroni and cheese needs a bit more moisture. Our family eats leftovers and enjoys them just fine, but this recipe does have the highest quality the first time it is prepared.

More Easy Big Batch Recipes:

Big Batch of Homemade Brownies is a great recipe to feed a lot of people and use up extra eggs.

Our Breakfast Casserole can also feed a lot of people and is fairly easy to prep for.

Our Alfredo Spaghetti is another great option to feed a big group at a party.

Banana Pudding For A Crowd has a dreamy vanilla pudding based filling that makes it so popular!

Big batch of mac and cheese for a crowd on a spoon above a roaster full of macaroni
5 from 29 votes

Mac and Cheese For A Crowd

Created by Jennifer Osterholt
Servings: 50 servings
Prep Time: 30 minutes
Cook Time: 2 hours 30 minutes
Total Time: 3 hours
Creamy and delicious this easy recipe for Mac and Cheese For A Crowd can be made in a roaster or large crock pots.

Ingredients
  

  • 3 pounds elbow macaroni uncooked
  • 1/2 cup vegetable oil
  • 3 sticks butter
  • 4 1/2 cups milk
  • 72 ounces evaporated milk
  • 2 tablespoons Kosher salt
  • 72 ounces Velveeta cheese
  • 2 pounds sharp cheddar cheese

Instructions

  • Cook macaroni in an extra large stock pot of boiling water. Cook to al dente and drain.
    3 pounds elbow macaroni
  • Generously coat a roaster pan with non-stick cooking spray and add pasta.
  • Add vegetable oil and slices of butter to the pasta and stir well.
    1/2 cup vegetable oil, 3 sticks butter
  • Add milk, evaporated milk and salt. Stir well and turn roaster to 200°F.
    4 1/2 cups milk, 72 ounces evaporated milk, 2 tablespoons Kosher salt
  • Cut Velveeta cheese into cubes and stir into milk and pasta mixture.
    72 ounces Velveeta cheese
  • Cover and cook for 45 minutes to an hour; stir well.
  • Stir in shredded cheddar cheese.
    2 pounds sharp cheddar cheese
  • Continue to cook covered and stir every 20 – 30 minutes.
  • Continue cooking until firm, about 2 hours total. Turn to keep warm to serve and continue to stir well.

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Nutrition

Calories: 383kcalCarbohydrates: 31gProtein: 19gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gTrans Fat: 1gCholesterol: 64mgSodium: 1142mgPotassium: 374mgFiber: 1gSugar: 9gVitamin A: 885IUVitamin C: 1mgCalcium: 504mgIron: 1mg

“Plowing Through Life” is not a dietitian or nutrition professional. Any nutritional information shared is an estimate and can vary greatly depending on specific products are used. If calorie count and other nutritional values are important to you, we recommend running the ingredients through an online nutritional calculator of your choice.

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Recipe Rating




114 Comments

  1. 5 stars
    Amazingly good. This is the best Mac n cheese recipe I have ever made. We made this for our summer party of 70 guests and it was so creamy and delicious. I modified the recipe (just quantities to utilize 4 pounds of pasta), but it was such a hit that next year I will double the recipe for 6 pounds of pasta.

  2. Avatar for Alyssa Thompson Alyssa Thompson says:

    I want to make this in the oven, can you tell me how this would change the instructions if at all?

    1. Hey There! The cooking time will likely change a bit since the oven is better sealed than a roaster. Also make sure you have a sturdy pan that’s big enough to stir everything well and that is well supported on the bottom so that you can safely move it. Hope you enjoy!

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