5 Minute & 5 Ingredient Low-FODMAP Peanut Butter Fudge with Chocolate / Buckeye Fudge; Gluten-free

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Fudge is a classic American dessert.  A favorite at any age, fudge is served all year long.  You will find fudge both at summertime fairgrounds, and around the Christmas lights.  A low-FODMAP Peanut Butter Fudge recipe (with chocolate) is a necessity for those of us that want to still enjoy this creamy, dreamy treat.

This low-FODMAP Peanut Butter Fudge with Chocolate is sweet, but not overly so.  Also SO easy- you use your microwave to make it in under 5 minutes! Only 5 ingredients! You have it all in your panty, no need to set up a pot or double boiler.

This low-FODMAP Peanut Butter Fudge with Chocolate tastes just like a peanut butter cup.  For those of us familiar with an Ohio ‘Buckeye’, the taste is just like that too.  So, since I live in Cincinnati, I call it ‘Buckeye Fudge’.

You will be addicted to this 5 Minute, 5 Ingredient Low-FODMAP Peanut Butter Fudge with Chocolate.  It is smooth and delicious.

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Or check out over 300 more low-FODMAP recipes on my blog!

Be healthy and happy,

Rachel Pauls, MD

Five Minute & Five Ingredient Low-FODMAP Peanut Butter Fudge with Chocolate a.k.a. Buckeye Fudge; Gluten-free

Although this recipe has not been tested, a single serving should be low-FODMAP based on the ingredients

Yield: 64 (1-inch pieces)

Serving size: 2-4 pieces

Prep time 5 min

Cook time: 5 min


  • 1 cup (16 tablespoons) unsalted butter, plus more for greasing pan
    • One tablespoon is one low-FODMAP serving
    • I have not tried this recipe with vegan spread, so I can’t comment on the results.  Let me know if you try it!
  • 1 cup smooth salted all-natural peanut butter
    • if you select unsalted, then add 1/2 teaspoon of salt to recipe
  • 1 teaspoon vanilla extract
  • 3 cups confectioners sugar
  • 1/2 to 3/4 cup mini semisweet chocolate chips (about 3-5 ounces)
    • I used 1/2 cup as I like a dominant peanut flavor (gives me a bit of an artisan top rather than thick chocolate layer)
    • For a thicker chocolate top, adjust the chocolate amount to the higher measurement


  • Grease 8 by 8 inch pan with butter or vegetable shortening and line with parchment paper
  • Combine the butter and peanut butter in a 4-quart microwave-safe bowl and cover with plastic wrap
  • Microwave for 2 minutes on high
  • Stir and microwave on high again for about 2 minutes (caution- it will be very hot)
  • Remove from microwave and add the vanilla and powdered sugar
  • Stir to combine with a wooden spoon or spatula
    • The mixture will become hard to stir and lose its sheen
    • It will be almost a paste
  • At this point, spread the fudge into prepared pan
  • Sprinkle the chocolate chips over the fudge and allow to melt slightly
  • Take a knife and gently spread chocolate over the fudge
    • It is OK if they mix a bit
    • If you are fancy, you can also try to use a knife to create swirls with the chocolate
  • Refrigerate until cool, about 2 hours
  • Cut into 1-inch pieces and store in an airtight container at room temperature for up to a week

Perfect for any party…you can’t go wrong with 5 minute & 5 ingredient low-FODMAP Peanut Butter Fudge with Chocolate, made in the microwave (seriously).

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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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