Low-FODMAP & Gluten-free Microwave Fudge Brownie

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I love easy low-FODMAP recipes, and I love instant gratification even more :).

I have been working on a low-FODMAP microwave brownie for a while. I needed to be sure that there would be all the rich flavor and chewy texture, while keeping the recipe gut friendly.  This one is a keeper.

Try it with some added nuts, chocolate chips, or fresh raspberries if you like those too!

If you are looking for other low-FODMAP microwave recipes, I have a whole blog dedicated to them.  If you want more sweets and treats, I have that too!

You may also love my

Or check out over 500 more low-FODMAP recipes on the blog!  IBS-friendly.

Be healthy and happy,

Rachel Pauls, MD

Serves: 1-2*

Author: Dr. Rachel Pauls

Cuisine: American

Prep time: 4 minutes

Cook time: 1 minute

Total time: 5 minutes


  • 2 tablespoons melted, unsalted butter or vegan alternative
  • 3 tablespoons sugar, or adjust to taste
  • 1 & 1/2 tablespoons (8g) cocoa powder
  • 1 tablespoon low-FODMAP milk (such as almond or lactose-free)
  • 1 large egg yolk
  • 1/4 cup GF Bisquick or other self-rising GF baking flour
  • 1/4 teaspoon vanilla
  • Stir ins: 1 tablespoon toasted chopped hazelnuts, toasted walnuts, or dairy-free semi-sweet chocolate chips


  • In a 10-ounce microwave safe shallow mug, or large ramekin, combine your melted butter, sugar, and cocoa powder (I don’t recommend a standard mug as this may overcook the brownie and make the texture tough)
  • Whisk in LF milk, egg yolk, GF Bisquick and vanilla
  • Add stir ins, if desired
  • Microwave for 45-60 seconds, center should still be soft
  • Allow to rest for 2-3 minutes, then enjoy!

*Dr. Rachel’s Notes:

  • Although this recipe has not been lab tested, a single serving should be low-FODMAP based on the ingredients, using available FODMAP data at time of posting
  • For cocoa: 8g is one low-FODMAP serving, however up to 20g may be tolerated

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As an IBS-sufferer myself, I know how badly you want to feel healthy and happy. I’ve spent over a decade researching IBS and FODMAPs, and my recipes and guidance will help you succeed.

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