Banana Peanut Butter Marshmallows

Banana Peanut Butter Marshmallows

Total Time
6 hours
Prep Time
16 squares
These Banana Peanut Butter Marshmallows bring a fun and flavorful twist to homemade marshmallows by infusing them with real banana flavor and coating them in a peanut butter powder blend. Instead of using confectioner’s sugar, we mix Banana Spruits with powdered peanut butter for a naturally sweet, nutty finish. Powdered peanut butter, often found in the peanut butter aisle or the nutrition section of grocery stores, adds a rich peanut flavor without the heaviness of traditional peanut butter. Light and fluffy, these marshmallows are a deliciously unique treat perfect for snacking!

This recipe uses...

  • 1 package unflavored gelatin, about 7g or 2 1/2 tsp
  • 1/2 cup water, divided into 1/4 cup each
  • 1/2 cup granulated sugar
  • 1/3 cup light corn syrup
  • 2 tablespoons Banana Spruits, divided into 1 tablespoon portions (one for marshmallow and one for dusting)
  • 1 tablespoon powdered peanut butter (PB2), for dusting
  • 1/8 teaspoon salt

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Directions


  1. Prepare the Ingredients and Dish:

    Since this recipe moves quickly, it's best to pre-measure everything ahead of time. Divide 1/2 cup of water into two 1/4 cup portions and set aside. In a large mixing bowl, sprinkle 1 package (7g) of unflavored gelatin into one of the 1/4 cups of water but don’t stir yet. Grease a 6x6-inch dish with butter or oil—this will help the marshmallows release easily later.

  2. Cook the Sugar Syrup:

    In a small saucepan over medium heat, combine the remaining 1/4 cup of water, 1/2 cup granulated sugar, 1/3 cup light corn syrup, and 1/8 teaspoon salt. Stir continuously until the sugar dissolves and the mixture becomes slightly cloudy.

  3. Heat the Syrup to the Right Temperature:

    Increase the heat to high and let the mixture boil until it reaches 235-250°F (113-121°C), the soft-ball stage. Use a candy thermometer for accuracy.

  4. Combine the Gelatin and Syrup:

    Remove the saucepan from the heat. Quickly mix the reserved 1/4 cup of water into the gelatin to help it dissolve, then slowly pour the hot syrup into the bowl while mixing on low speed with a hand mixer.

  5. Whip the Marshmallow Base:

    As the mixture cools, it will begin to thicken. After 1-2 minutes, when it starts looking slightly opaque, stop the mixer and add 1 tablespoon of Banana Spruits. Stir gently with a spoon or mix on low speed before turning the mixer up to high speed for another 2-3 minutes. The marshmallow mixture will become fluffy, light, and slightly glossy.

  6. Pour and Set the Marshmallows:

    While the mixture is still warm and easy to handle, pour it into the prepared 6x6-inch dish and spread it evenly. Let it sit at room temperature for at least 6 hours to fully set.

  7. Prepare the Peanut Butter Dusting Mix:

    In a small bowl, combine 1 tablespoon Banana Spruits and 1 tablespoon powdered peanut butter. Stir well and break up any clumps to create a fine, even dusting mixture.

  8. Cut and Coat the Marshmallows:

    Lightly dust a clean surface with some of the peanut butter-banana mixture. Gently remove the marshmallow slab from the dish and place it on the surface. Using a sharp knife, cut the marshmallows into squares, ensuring all sides get coated with the banana-peanut butter dusting mixture to prevent sticking.

  9. Enjoy!

    These banana peanut butter marshmallows are ready to eat! Store them in an airtight container at room temperature and enjoy them as a snack, in s’mores, or floating in a warm drink.