Berry Peanut Butter Sandwich

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5 from 1 votes
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This gluten-free Peanut Butter Sandwich puts a deliciously unique spin on your everyday PB & J! Instead of jelly, a quick and easy homemade blueberry-marshmallow spread pairs with creamy peanut butter for the ultimate flavor combination. 

Fresh blueberry mixture on a slice of bread and peanut butter on a slice of bread laying face up on the table.

If you love a good old fashioned PB & J sandwich, you’re in for a treat with this recipe! This version is just like a traditional peanut butter and jelly sandwich with a twist. 

In this recipe, the jelly is replaced with a simple sweet spread made of fresh blueberries, marshmallows, and butter which perfectly complements the salty peanut butter.

This Peanut Butter Jelly Sandwich Is…

  • Quick & Easy: It takes under a minute to whip up the tasty blueberry-marshmallow mixture. Then spread it onto your gluten-free bread along with the peanut butter and you’re ready to enjoy!
  • A Perfect Flavor Combination: When it comes to peanut butter sandwich ideas, this combo is a surefire winner! The sweetness of the blueberry-marshmallow spread pairs perfectly with the saltiness of the peanut butter. 
  • Great for All Ages: Kiddos and grownups alike will love it! It’s the best peanut butter and jelly sandwich without the jelly!

Ingredients

Here’s a look at the simple ingredients you’ll need to make this peanut butter and marshmallow sandwich with blueberries.

Blueberries, bread, and marshmallows on the table before making into sandwiches.
  • Gluten-Free Bread: Use homemade or your favorite store-bought brand. You’ll need 2 slices for your sandwich.
  • Peanut Butter: I recommend using natural peanut butter for the best flavor, but conventional store-bought peanut butter works too. Be sure your peanut butter is salted and unsweetened.
  • Blueberries: Add a sweet-tart flavor. Be sure to wash and dry your blueberries before using. 
  • Marshmallows: Add sweetness and creaminess to the blueberry-marshmallow spread. 
  • Butter: Adds richness and the fat helps the mixture melt properly.

See the recipe card below for exact ingredient amounts, nutritional information, and detailed instructions.

How to Make the Best Peanut Butter Sandwich

Get started by gathering all of your ingredients and materials. 

  1. Step 1: Get ready. Gather all your ingredients together that you need.
  2. Step 2: Make the blueberry-marshmallow spread. Add the blueberries, marshmallows, and butter to a microwave safe bowl and microwave. Stir the mixture until only small pieces of the blueberries remain. Allow the mixture to cool at room temperature before using.
  3. Step 3: Make your sandwich. Spread the blueberry-marshmallow mixture on one slice of bread.
  4. Step 4: Finish assembling. Spread the peanut butter on the other slice. Put them together and slice in half or quarters. 
A collage of images showing the steps for making a peanut butter sandwich.

Seasoned Tip

Chill first!

Put the blueberry-marshmallow mixture in the fridge for about 10 minutes to cool it more quickly.

Variations

  • Dairy-Free: Replace the butter with a plant-based version and ensure the gluten-free bread you are using does not contain dairy.
  • Vegan: Use vegan marshmallows such as the Dandies brand as well as a plant-based butter and ensure the gluten-free bread you are using does not contain any dairy, eggs, or honey.
  • Peanut-Free: If you’ve got a peanut allergy, feel free to swap the peanut butter for another nut butter such as almond or cashew. If you are allergic to all types of nuts, try using sunflower seed butter instead.

Serving Suggestions

  • This sandwich is great for lunch for work or school or even as a snack.
  • Turn this recipe into gluten-free uncrustables by using a sandwich press to create the rounded shape and seal the sides. You can also use a wide mouth jar and crimp the edges by hand.
  • Channel your inner Elvis Presley by making a fried peanut butter sandwich! A fried, or grilled, pbj sandwich can be made just like grilled cheese. Simply make your sandwich, heat butter in a skillet, and cook until both sides are golden brown.  

Tips & Tricks

  • Check ingredient labels: While all of the ingredients in this recipe are naturally gluten-free, always be sure to check labels to avoid the risk of cross-contamination.
  • Multiply as needed: Need more than one sandwich? Multiply the recipe to suit your needs. 
  • Enjoy immediately: This sandwich is best enjoyed right away, but you can pack it up for lunch on-the-go if you’ll be eating it that same day. Wrap it in foil or place in a sandwich bag and keep cold with an ice pack.
  • Toast the bread: Gluten-free bread is often sold and stored frozen, so feel free to lightly toast it if you don’t have time to defrost it.

Frequently Asked Questions

Can I use frozen blueberries?

While fresh blueberries are best, you can use frozen blueberries if fresh ones are unavailable. Note that this may change the cook time.

Can I use different berries?

I don’t recommend using different berries in this recipe. Unlike strawberries, raspberries, and blackberries which are firm, blueberries have a soft texture which causes them to bleed when heated. They also have just the right amount of sweet-tart flavor for pairing with the marshmallows and peanut butter.

A gluten-free peanut butter sandwich cut in half and facing up to show inside on parchment paper.

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Peanut butter sandwich with fresh berries cut in half.

Best Peanut Butter & Jelly Sandwich

Jennifer Reidy
Put a unique spin on your everyday PB & J with this gluten-free Peanut Butter Sandwich featuring a tasty blueberry-marshmallow spread in place of the jelly!
5 from 1 vote
Prep Time 5 minutes
Cook Time 7 minutes
Cooling time 10 minutes
Total Time 22 minutes
Course Snack
Cuisine American
Servings 1 sandwich

Equipment

  • 1 microwave

Ingredients
  

  • ½ cup fresh blueberries
  • ½ – ¾ cup marshmallows Campfire & Dandies are labeled gluten-free
  • 1 tbsp butter Kroger brand is labeled gluten-free
  • 2 slices glutne-free bread Udi’s, Kroger, Schar, Rudi’s are all gluten-free
  • peanut butter natural or store bought – Justin’s is certified gluten-free

Instructions
 

  • In a bowl, microwave blueberries, marshmallows, and butter for about 45 seconds to 1 minute.
  • Stir ingredients until small pieces of blueberries remain. Let bowl sit out to cool, or you can place it in the fridge for about 10 minutes.
  • Spread the blueberry jam on one piece of bread generously.
  • Spread peanut butter on the other piece of bread generously.
  • Sandwich both pieces together so ingredients are on the inside.
  • Slice in half or quarters. Serves one whole sandwich generously. Lick your fingers when you're done.

Notes

To make this also dairy-free, you can substitute the butter with something like Earth Balance spread. Most marshmallows are dairy-free, so check just labels in case.
Keyword pb&j sandwich, peantu butter sandwich, peanut butter jelly sandwich

Jennifer Reidy

I make delicious gluten free recipes that people can enjoy for any season or holiday. Welcome!

New seasonal gluten-free recipes each month!

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