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Easiest Low-FODMAP Mac & Cheese (Gluten-Free, Low-Lactose)

About the simplest macaroni and cheese recipe you’ll find–plus it’s low-FODMAP, gluten-free, vegetarian, and very low in lactose.

I almost titled this recipe Mac & Cheese for Dummies.

Partly because it’s that easy to make. All you need is one pot and 20 minutes.But mostly because I’m a dummy, as evidenced by the fact that I went outside just as it was starting to get dusky to take photos of my mac–and on complete auto-pilot, locked the door behind me. No phone, no wallet, no keys.

Good job, Joyce.

My roommate was home but had on her noise-cancelling headphones and couldn’t hear me knock and ring the doorbell. Noted: If I ever need a pair of excellent noise-cancelling headphones, I know who to ask for recommendations.

Anyway…it could have been a lot worse. I ended up going over to visit a friend who lives in the same apartment complex. She’s been very sick and recently recovering from surgery, so I was actually quite glad to find out how she’s doing and bring her a little company. We were finally able to get in touch with my roommate via social media, and so our little comedy of errors ended well.


mac & cheese.This is one of my favorite recipes to fall back on because I almost always have the ingredients around. There aren’t that many, anyway: cheese, milk, pasta, cornstarch, and salt.

It makes a great little entree with its balance of protein, carbs, and fats.

Plus, it’s low-FODMAP, very low in lactose, gluten-free, and vegetarian, too!

And who doesn’t like macaroni and cheese?

Actually, scratch that question. My grandpa doesn’t.

So go enjoy this macaroni in his stead. 😉

Low-FODMAP Mac & Cheese
Serves 2
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Total Time
20 min
Total Time
20 min
  1. 4 oz. gluten-free macaroni or other pasta
  2. 3/4 cup lactose-free milk
  3. 1 Tbsp. + 1 tsp. cornstarch
  4. 1/2 tsp. salt
  5. 1 cup shredded cheese*
  1. Cook the macaroni or pasta according to package directions.
  2. While the pasta is cooking, whisk together the milk, cornstarch, and salt.
  3. When the pasta is finished, drain it and return it to the pot. Place the pot on a burner over medium-low and pour in the milk mixture. Allow the sauce to heat, stirring occasionally, until it gets very bubbly and starts to thicken.
  4. Add the cheese and stir until it's thoroughly melted and combined.
  1. *This time, I used a combo of Monterey Jack and Cheddar because that's what I had; I've also tried all Cheddar with good success.
The Hungry Caterpillar
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  1. Cora says:

    This is my kind of mac and cheese. Quick and easy.

    Doh. Totally something I would do…. I keep a key hidden outside my door at ALL times for this very purpose (but don’t tell my neighbors that).

    1. Joyce says:

      I won’t tell your neighbors. But that’s smart.

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