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    Home » Recipes » Bars and Slices

    Biscoff Caramel Marshmallow Cookie Bars

    Published: Jul 21, 2020 · Modified: Sep 13, 2020 by Emma Burton · This post may contain affiliate links · Leave a Comment

    Jump to Recipe Print Recipe

    Biscoff Caramel Marshmallow Cookie Bars are soft and melt-in-the-mouth cookie butter cookie bars filled with chocolate chips, marshmallows and caramel!

    Slice of biscoff cookie bar filled with gooey marshmallows.

    Every now and again on this blog there are over-the-top, super delicious but most likely more comfort food type creation that you can indulge in.

    Today is one of those recipes!

    Gooey marshmallows in the middle of a biscoff cookie slice.
    Slice of biscoff cookie bar filled with marshmallows.

    Based on one one of my personal favourite comfort food recipes, my Peanut butter Caramel Marshmallow Cookie Bars. These are the biscoff spread version. So if you love Biscoff or cookie butter in general, trust me when I say you will love these bars!

    How to make the cookie bars

    • Brown sugar in a stainless steel bowl.
      Add brown sugar and sugar in a bowl.
    • Melted butter in a saucepan.
      Melt the butter and biscoff spread and mix into the sugars.
    • Eggs in a silver bowl.
      Add in the eggs and vanilla and beat through.
    • Cookie dough in a stainless steel bowl.
      Add in the flour, baking powder and baking soda and mix together.
    • Cookie dough in a baking pan.
      Press half of the cookie dough into the prepared 9" pan.
    • Caramel on top of cookie dough in a baking pan.
      Spread over the caramel.
    • Ma
      Top with marshmallows.
    • Cookie dough in a baking pan.
      Top with the remaining cookie dough and bake!
    Slice of biscoff cookie bar filled with gooey marshmallows.

    Needless to say I am obsessed! From the ooey gooey, lightly toasted marshmallows, to the sweet caramel centre and the soft yet chewy cookie butter cookie bars. You really can't go wrong with these if you are in the mood for an over-the-top, ridiculously delicious sweet treat that you can eat with a spoon straight from the pan.

    Slice of marshmallow filled cookie bars on a white plate.
    Gooey marshmallow in the middle of a cookie slice.

    I hope you enjoy these Biscoff Caramel Marshmallow Bars and I truly hope you give this recipe a go and remember to rate and report back your results in the comments below. I love reading your comments! Also #lightscamerabake on Instagram for a chance to be featured and don’t forget to subscribe to my YouTube Channel for more fun baking videos!

    Slice of biscoff cookie bar filled with gooey marshmallows.
    Print Recipe
    5 from 2 votes

    Biscoff Caramel Marshmallow Cookie Bars

    Biscoff Caramel Marshmallow Cookie Bars are soft and melt-in-the-mouth cookie butter cookie bars filled with chocolate chips, marshmallows and caramel!
    Prep Time30 minutes mins
    Cook Time30 minutes mins
    Total Time1 hour hr
    Course: Dessert, Snack
    Cuisine: American
    Servings: 16 Slices
    Calories: 498kcal
    Author: Emma Burton

    Ingredients

    Caramel;

    • ¼ Cup Butter (55g)
    • ⅔ Cups Brown Sugar (120g)
    • ¼ Cup Milk or Cream

    Biscoff Cookie Bars

    • 1 and ½ Cups Biscoff Spread (375g)
    • ⅔ Cups Butter (150g)
    • 1 Cup Brown Sugar (190g)
    • ½ Cup Sugar (100g)
    • 2 Large Eggs
    • 2 teaspoon Vanilla Extract
    • 2 and ¾ Cups All Purpose Flour (340g)
    • 1 teaspoon Baking Powder
    • ½ teaspoon Baking Soda
    • ¾ Cups Chocolate Chips (135g)
    • 1 and ½ Cups Marshmallows (130g)
    Metric - US Conventional

    Instructions

    Caramel Sauce;

    • Place the butter and brown sugar in a saucepan on a medium to high heat.
    • Once the butter has melted, add the milk and bring to the boil.
    • Boil for at least 2 minutes before removing from the heat.
    • Allow to cool while you make the biscoff cookie dough.

    Biscoff Cookie Dough;

    • Preheat the oven to 180°C (350°F) and line an 9" baking pan with baking paper and set aside.
    • Melt the butter and biscoff together.
    • In a large mixing bowl, place the brown sugar, sugar and melted butters into the bowl and mix together.
    • Beat in the eggs and vanilla extract.
    • Beat in the flour, baking soda, baking powder and chocolate chips and mix until all combined.
    • The mixture should be wet but slightly crumbly.
    • Press half of the mixture into the prepared pan. Pour over the caramel sauce and then top with the marshmallows. Dollop the remaining dough over in an even layer.
    • Bake for around 25-30 minutes. The top and sides will be lightly golden and the middle will only have a slight wobble.

    Video

    Nutrition

    Serving: 1Slice | Calories: 498kcal | Carbohydrates: 72g | Protein: 4g | Fat: 21g | Saturated Fat: 10g | Cholesterol: 52mg | Sodium: 231mg | Potassium: 65mg | Fiber: 1g | Sugar: 46g | Vitamin A: 53IU | Calcium: 55mg | Iron: 1mg
    Tried this Recipe? Tag me Today!Mention @LightsCameraBake or tag #lightscamerabake!
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    Hi! I'm Emma, the the driving force Lights, Camera, Bake!. I develop the recipes, style the food and produce the accompanying photos and videos for you at home.

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