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    Home » Recipes » Blondies and Brownies

    Flourless Cosmic Brownies

    Published: Feb 29, 2020 · Modified: Sep 13, 2020 by Emma Burton · This post may contain affiliate links · Leave a Comment

    Jump to Recipe Print Recipe

    Flourless Cosmic Brownies are a twist on the traditional cosmic brownies using my ultra fudgy flourless brownies recipe as the base with a buttercream top and covered in M&Ms.

    Close up of flourless cosmic brownies with M&Ms on a white and orange background.

    If you haven't heard of Cosmic Brownies before, I don't blame you! I hadn't either. The premise of a cosmic brownie is a fudgy brownie topped with a chocolate frosting and covered with M&Ms.

    Vertical overhead view of cosmic brownies with M&Ms on a white background.

    I just had to put a twist on these bad boys by turning them flourless. I love a flourless brownie as they are naturally gluten free and turn out ultra fudgy every single time!

    Trust me, they will become your new favourite brownie!

    M&M covered brownies on a white plate on an orange background.
    M&M covered cosmic brownies on a white plate with an orange background.

    If you want to make these regular brownies, you could use my fudgy brownies recipes or my rich cocoa brownies if you want a one bowl recipe.

    Close up of M&M topped flourless brownies on a white plate.
    Flourless Cosmic Brownies on a white plate with an orange background.

    How to Make Flourless Cosmic Brownies

    The first step is making the brownies. These brownies use all the ingredients and method of a regular brownie with the omission of flour. So melted butter and chocolate are mixed with beaten eggs, vanilla extract and sugar.

    These then have cocoa and cornflour added and then you bake! Super easy.

    • Butter and chocolate buttons in saucepan.
      Butter, dark chocolate and milk chocolate ready to be melted.
    • Butter and chocolate melted together in a stainless steel saucepan.
      Melted butter and chocolate.
    • Eggs and brown sugar in a stainless steel bowl.
      Eggs vanilla, sugar and brown sugar to be mixed together.
    • Frothy eggs in a stainless steel bowl.
      Eggs and sugars beaten together.
    • Melted chocolate with flour and cocoa added in a stainless steel bowl.
      Cornflour and cocoa added to the liquid ingredients.

    Next is the buttercream which is purely butter, cocoa, icing sugar and water beaten together to a smooth and spreadable consistency.

    • Cocoa, icing sugar and butter in a white bowl.
      Icing sugar, cocoa, butter and water for the buttercream.

    Finally cover these bad boys in M&Ms!

    Close up of M&M covered cosmic brownies on a white plate.
    Verticle overhead view of three cosmic brownies on a white plate.

    I hope you enjoy these Flourless Cosmic Brownies 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 fun baking videos!

    Close up of flourless cosmic brownies with M&Ms on a white and orange background.
    Print Recipe
    5 from 1 vote

    Flourless Cosmic Brownies

    Flourless Cosmic Brownies are a twist on the traditional cosmic brownies using my ultra fudgy flourless brownies recipe as the base with a buttercream top and covered in M&Ms.
    Prep Time20 minutes mins
    Cook Time30 minutes mins
    Total Time50 minutes mins
    Course: Dessert, Snack
    Cuisine: American
    Servings: 16 Slices
    Calories: 247kcal
    Author: Emma Burton

    Ingredients

    • ½ Cup Butter (120g)
    • ½ Cup and 2 Tbsp. Dark Chocolate (110g)
    • ½ Cup and 2 Tbsp. Milk Chocolate (110g)
    • 3 Large Eggs
    • 1 teaspoon Vanilla Extract
    • ⅔ Cups Brown Sugar (120g)
    • ½ Cup Sugar (100g)
    • ¼ Cup Cornflour (30g)
    • ¼ Cup Cocoa (24g)
    • ½ Cup Chocolate Chips (90g)

    Chocolate Buttercream;

    • ⅓ Cup Butter, Softened (80g)
    • 3 Tbsp. Cocoa (19g)
    • 1 and ½ Cups Icing Sugar (180g)
    • 2 Tbsp. Water
    • ⅔ Cups M&Ms (150g)
    Metric - US Conventional

    Instructions

    • Preheat the oven to 180°C (350°F) and line a 9"x9" baking pan with baking paper.
    • Melt the butter, milk chocolate and dark chocolate together.
    • Place the eggs, vanilla extract, brown sugar and sugar in a bowl and beat together.
    • Pour in the chocolate mixture into the egg mixture and mix together.
    • Add in the cornflour and cocoa and mix until all combined. Add in the chocolate chips and mix.
    • Pour into the prepared pan and place in the oven for around 30 minutes while you make the chocolate buttercream.
    • The top and sides will be set and the middle will be slightly wobbly.

    Chocolate Buttercream;

    • Add the softened butter, cocoa, icing sugar and water into a bowl and beat together. If the mixture is too stiff add extra water one teaspoon at a time until it is spreadable.
    • Once the brownies have cooled completely - I like to place mine in the fridge to set - spread over the buttercream in an even layer and sprinkle over the M&Ms.
    • Slice and serve!

    Nutrition

    Serving: 1Slice | Calories: 247kcal | Carbohydrates: 35g | Protein: 2g | Fat: 12g | Saturated Fat: 8g | Cholesterol: 61mg | Sodium: 89mg | Potassium: 91mg | Fiber: 2g | Sugar: 30g | Vitamin A: 63IU | Calcium: 27mg | Iron: 1mg
    Tried this Recipe? Tag me Today!Mention @LightsCameraBake or tag #lightscamerabake!
    Long pinterest image with two cosmic brownies images and a title.

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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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