Flourless Fluffernutter Cookies

Flourless peanut butter cookies with a thumbprint filled with marshmallows to remind you of a childhood favorite - the fluffernutter sandwich!
Course Cookies, Dessert
Cuisine American
Keyword flourless cookies, flourless fluffernutter cookies
Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings 30 cookies
Calories 85kcal
Author Brianne @ Cupcakes & Kale Chips


  • 1/2 cup sugar
  • 1/2 cup dark brown sugar
  • 1 teaspoon baking soda
  • 1 cup creamy peanut butter (natural works too)
  • 1 egg
  • 1 teaspoon vanilla
  • About 90 mini marshmallows (three per cookie)


  • Preheat your oven to 350°F. Line cookie sheets with parchment paper.
  • Using a fork, mix together the sugar, brown sugar, and baking soda in a bowl.
  • With a hand mixer or stand mixer, beat in the peanut butter until cream.
  • Add the egg and vanilla and mix thoroughly.
  • Form balls using about 1 tablespoon of dough, place on the cookie sheet and flatten slightly with you hand.
  • Bake for 8 minutes, remove from oven, and make an indentation in each cookie with your thumb.
  • Place three marshmallows in the indentation on each cookie and return to the oven for 2-3 minutes, or until lightly browned and set.
  • Cool on the baking sheet for several minutes before transferring to a rack to cool completely.


Recipe can easily be doubled.


Serving: 1cookie | Calories: 85kcal | Carbohydrates: 9g | Protein: 2g | Fat: 4g | Cholesterol: 5mg | Sodium: 80mg | Potassium: 62mg | Sugar: 8g | Vitamin A: 10IU | Calcium: 8mg | Iron: 0.2mg