Keto Big Batch Creamy Southern Mac and Cheese

Prep: 20 minCook: 35 minmediumAmerican Southern
Big Batch Creamy Southern Mac and Cheese

This decadent Southern-style mac and cheese feeds a crowd with its triple-cheese blend of sharp cheddar, Monterey Jack, and Velveeta for unmatched creaminess. Layers of tender elbow noodles alternate with butter, shredded cheese, and silky Velveeta sauce enriched with eggs and whole milk, creating a luxuriously smooth interior with golden edges. The Cajun seasoning adds subtle warmth, while tempering eggs into hot cheese sauce ensures velvety texture without scrambling. Perfect for special occasions, potlucks, and holiday tables where you need to serve 12-15 people. This version's key distinction is its engineered creaminess through Velveeta's emulsifiers combined with fresh cheeses, creating stability superior to all-natural cheese versions. The layered assembly builds flavor complexity and ensures even cheese distribution throughout.

Ingredients

  • 2 pound elbow macaroni, medium cut
  • 1 pound sharp cheddar cheese
    aged gruyere1:1cheesedairy-free

    adds nuttiness and depth, removes Velveeta stability slightly

    Full guide →
  • 1 pound Monterey jack cheese
    white cheddar1:1cheeseadds dairy

    milder flavor profile, slightly less creaminess

    Full guide →
  • 2 pound Velveeta cheese, original brand, block
    cream cheese1:0.75cheeseadds dairy

    removes emulsifier advantage, may require more milk to thin

    Full guide →
  • 2 ½ cup whole milk
    heavy cream2.5:1dairy

    richer sauce, less volume needed

    Full guide →
  • 4 egg, large, beaten
  • kosher salt(optional)
  • pepper, freshly cracked(optional)
  • Cajun seasoning(optional)
  • 1 cup butter, pure, 2 sticks
    margarine1:1fatdairy-free

    removes dairy element

    Full guide →

Instructions

  1. 1

    Butter or spray a large baking dish or casserole pan with non-stick cooking spray and set aside

  2. 2

    Boil noodles, rinse, drain and set aside

  3. 3

    Preheat oven to 375 degrees F

  4. 4

    Shred the cheddar and jack cheeses, stir together and set aside

  5. 5

    Pour milk into a large saucepan and warm over medium low heat

  6. 6

    Cut the Velveeta into chunks, add to the saucepan and cook over medium low heat until melted, stirring often, adding more milk if needed to thin

  7. 7

    Remove from heat and set aside

  8. 8

    Crack eggs into a separate bowl and lightly whisk

  9. 9

    Scoop out some of the hot cheese sauce and slowly add to the eggs while continuously whisking to temper them

  10. 10

    Once well combined, add the eggs to the cheese sauce and quickly whisk together until well mixed

  11. 11

    Add half of the elbow noodles to the baking pan and season lightly with salt, pepper and Cajun seasoning

  12. 12

    Slice thin layers of butter and spread them around on top of the noodles

  13. 13

    Sprinkle half of the cheddar and jack cheese combo over the noodles

  14. 14

    Ladle half of the Velveeta cheese sauce over that

  15. 15

    Repeat the layers of noodles, seasoning, butter, cheddar and jack cheese, and Velveeta sauce

  16. 16

    Bake uncovered at 375 degrees F for about 30 to 35 minutes, or until bubbly and lightly browned on top

Tips

Tip 1

Tempering eggs by slowly whisking hot cheese sauce into beaten eggs prevents curdling and ensures silky sauce. This technique is non-negotiable for egg-enriched cheese sauces; rushing it causes scrambled bits throughout.

Tip 2

Velveeta's emulsifiers create stability that sharp cheddar alone cannot achieve. Combining it with natural cheeses yields the best texture: creamy interior without the graininess pure aged cheddar often develops.

Tip 3

Slice butter thin and distribute evenly between layers rather than dotting; this ensures uniform moisture distribution and prevents dry spots in this large batch recipe.

Good to Know

Storage

Cover and refrigerate up to 4 days. Reheat covered at 350 degrees F until warmed through, about 25-30 minutes. Do not freeze; egg-based cheese sauce separates upon thawing.

Make Ahead

Assemble completely through layering step, cover tightly, and refrigerate up to 24 hours. Bake from cold, adding 5-10 minutes to baking time. Do not prepare Velveeta sauce ahead; make fresh before assembly.

Serve With

Serve hot directly from baking dish. Pairs with green salad, roasted vegetables, or pulled pork. Accompanies holiday dinners, potlucks, and casual gatherings.

See pairing guide →

Common Mistakes

Watch

Do not skip tempering eggs; adding cold eggs or too-hot sauce too quickly causes scrambling

Watch

Do not use pre-shredded cheddar and jack; anti-caking agents prevent proper melting and create grainy texture

Watch

Do not bake covered; direct oven heat creates the golden-brown top layer

Watch

Do not rinse pasta in cold water; warm noodles accept sauce better and prevent separation

Substitutions

Dairy-Free Swaps

whole milk
heavy cream2.5:1dairy

richer sauce, less volume needed

Full guide →
sharp cheddar
aged gruyere1:1cheesedairy-free

adds nuttiness and depth, removes Velveeta stability slightly

Full guide →
butter
margarine1:1fatdairy-free

removes dairy element

Full guide →

General Alternatives

Monterey jack
white cheddar1:1cheeseadds dairy

milder flavor profile, slightly less creaminess

Full guide →
Velveeta
cream cheese1:0.75cheeseadds dairy

removes emulsifier advantage, may require more milk to thin

Full guide →
Find more substitutions →

FAQ

Can I make this ahead and freeze it?

No. The egg-enriched Velveeta sauce separates when frozen and thawed, creating a broken, grainy texture. Assemble unbaked up to 24 hours ahead, covered in the refrigerator, then bake fresh. Baking time increases 5-10 minutes from cold.

What if I don't have Velveeta?

Velveeta's emulsifiers prevent the sauce from breaking; substituting cream cheese or all-natural cheddar requires adjusting technique. Use 12 ounces cream cheese plus 1/2 cup additional milk, or increase butter to 1.5 cups and reduce milk slightly. Results will be less stable.

How much does this recipe serve?

Two pounds of pasta yields 12-15 servings as a main course side, or 8-10 generous entree portions. The recipe calls for an 8-quart pan for full batch; a 4-quart dish halves all ingredients. Scale precisely; proportions are engineered for this volume.