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    Home » Recipes » Dessert

    Snickers Mug Cake (easy & high protein)

    Modified: May 4, 2025 • Published: Feb 3, 2024 by Dr. Erin Carter • This post may contain affiliate links • Leave a Comment

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    A mug filled with a chocolate mug cake topped with caramel sauce, chocolate chips and peanuts.
    A snickers mug cake topped with chocolate chips, caramel sauce and peanuts.

    This is the best high protein snickers mug cake! This healthy single serve dessert has the most amazing flavour and is high in protein with 29 grams of protein! It is also so easy to make and takes less than 5 minutes to prepare.

    A chocolate mug cake topped with caramel sauce, peanuts and chocolate chips with a spoon taking a piece out of it.

    I have been trying to eat more protein lately so have been creating more high protein recipes like my key lime pie smoothie, protein cookie dough, vegan protein powder cookies and cherry cheesecake smoothie and I am sharing another delicious high protein recipe with you today that I can't wait for you to try!

    Table of Contents
    • Why you will love this mug cake:
    • Ingredients and substitutions:
    • Recipe variations and add ins:
    • How to make a snickers mug cake:
    • Top Tips:
    • How to serve:
    • Snickers mug cake FAQs:
    • Other dessert recipes you will love:
    • Recipe

    Why you will love this mug cake:

    • It tastes amazing! The combination of the dark chocolate cake, sweet caramel topping and crunchy salty peanuts is just perfect. Just like a Snickers candy bar! It really is the best mug cake I have ever tried.
    • It's quick and easy to make and takes less than 5 minutes from start to finish.
    • This healthy chocolate mug cake is high in protein with 29 grams of protein in it!
    • This chocolate caramel mug cake is gluten-free, dairy-free, paleo, and refined sugar free.

    If you love mug cake recipes you will also love my chocolate almond flour mug cake and super easy 3 ingredient chocolate mug cake.

    Ingredients and substitutions:

    For the full ingredient list and exact measurements refer to the recipe card later in this post.

    Jump to the Recipe Card.
    The ingredients needed to make a snickers mug cake separated into small bowls including almond flour, an egg, chocolate chips, maple syrup, peanuts and coconut milk.
    • Almond flour - Be sure to use almond flour and not almond meal which would be too coarse and gritty. Do not try swapping the almond flour for all purpose flour.
    • Cocoa powder or cacao powder - either of these can be used to make this chocolate mug cake. It's what gives it the chocolate flavour.
    • Collagen peptides - powdered collagen peptides are the secret ingredient that makes this a high protein mug cake. Be sure to use a plain, unflavoured and unsweetened type of collagen peptides.
    • Large egg - an egg is used to help give this cake the perfect cake-like texture and add even more protein.
    • Maple syrup - is used to give this chocolate snickers mug cake the perfect amount of sweetness while keeping it refined sugar free.
    • Coconut milk - is used to add moisture to this cake to prevent it from being dry. I recommend using full fat coconut milk rather than low fat coconut milk to make this double chocolate cake. You can also swap the coconut milk for another dairy free milk such as cashew milk or almond milk.
    • Cashew butter - is used to make the rich and creamy caramel sauce that tops this mug cake. Be sure to use smooth, unsweetened cashew butter. Instead of cashew butter you could use another smooth nut butter or seed butter such as almond butter, peanut butter, or sunflower seed butter.
    • Peanuts - are used to top this cake and give it a bit of crunchy flavour. I like to use salted peanuts to help contrast the sweet caramel and dark chocolate (sweet and salty is such a delicious combination).
    • Chocolate chips - dark chocolate chips are used to top this fudgy mug cake. I recommend using chocolate chips sweetened with coconut sugar to keep this mug cake refined-sugar-free. 

    Recipe variations and add ins:

    • If you prefer to make this snickers mug cake with protein powder, replace the collagen peptides with 1 tablespoon of a chocolate protein powder.
    • If you can't have peanuts you can top this cake with another nut such as cashews or omit them altogether.
    • If you don't have collagen peptides you can omit them from the recipe. Just note that this will decrease the protein content.

    How to make a snickers mug cake:

    A mug filled with coconut milk, an egg, cocoa powder and almond flour.
    1. Step 1: First, place all the ingredients for the mug cake in a large microwave-safe mug.
    A mug filled with chocolate cake batter.
    1. Step 2: Then whisk the ingredients until you have a smooth cake batter (try and make sure there are no clumps remaining).
    A mug filled with a chocolate cake.
    1. Step 3: Now place the mug in the microwave and heat on high for 70-80 seconds. Note: Do not cover the mug when you heat it. Let the mug cake cool for a few minutes, and while it is cooling make the toppings.
    Caramel sauce in a bowl with a spoon in it.
    1. Step 4: To make the caramel sauce place the cashew butter, maple syrup and vanilla extract into a small bowl and stir it well until it's smooth.
    A chocolate mug cake topped with caramel sauce.
    1. Step 5: Once the cake has cooled off a bit, top it with the caramel sauce. 
    A chocolate mug cake topped with caramel sauce, peanuts and chocolate chips.
    1. Step 6: Lastly, add the peanuts and chocolate chips to the top of the caramel and then enjoy!

    Top Tips:

    • Be sure to use a microwave safe mug to make this cake. If you don't the mug could explode in the microwave.
    • A large thick mug works best for making microwave mug cakes.
    • Don't cover the mug when you heat it in the microwave. If you do the cake ends up with more of a slimy texture or rubbery texture rather than a cakey texture. 
    • Let this snickers mug cake cool for a couple minutes before adding the caramel and peanut toppings. This helps give the cake the perfect cake-like texture.
    • Don't overcook this cake. I recommend checking it at 70 seconds and if it is undercooked then cooking it for a little longer. Mine was perfect at 75 seconds.
    • Cooking times will vary depending on the strength of your microwave.  

    How to serve:

    This snickers mug cake is delicious served as is but if you want to make it even more indulgent you could add a scoop of vanilla ice cream, a bit of vanilla yogurt, chocolate sauce, whipped cream, or coconut whipped cream.

    A snickers mug cake topped with caramel sauce, chocolate chips and peanuts with a piece taken out of it.

    Snickers mug cake FAQs:

    Why did my mug cake turn out rubbery?

    Mug cakes can turn out rubbery if you cover them when you heat them in the microwave. As well, if you let the cake cool for a few minutes after cooking it it will develop a more cake-like texture.

    Is this mug cake vegan?

    No it is not. I have not tried making a vegan version and am not sure how it would turn out.

    Can I replace the almond flour with a different flour?

    I have not tested this recipe with any other flours and don't recommend trying any replacements.

    Is this mug cake keto?

    No, this is not a low carb or keto mug cake recipe.

    Can I store this mug cake for later?

    This mug cake is best eaten right away but you can store it in an airtight container in the fridge for up to 72 hours.

    Other dessert recipes you will love:

    • A mug of a vanilla protein mug cake with chocolate chips on top of it and a spoon in it.
      The Best Vanilla Protein Mug Cake (so easy!)
    • One large piece of a dairy free brownie with caramel drizzled on it.
      The Best Dairy-Free Brownies with Caramel (gluten-free & paleo)
    • A mug full of a chocolate gluten free mug cake topped with chocolate chips and with a spoon in it.
      The Best Gluten-Free Mug Cake (so easy!)
    • A stack of five chocolates and the top one has a bite out of it with raspberry filling spilling out of it.
      Homemade Raspberry Filled Chocolates (high protein)

    Since you made it this far we are basically best friends so be sure to follow me on Instagram, Pinterest, TikTok and Facebook where I share even more recipes and healthy living tips! And don’t forget to leave this recipe a star review before you go!

    Recipe

    A snickers mug cake in a mug, topped with a caramel sauce, chocolate chips and peanuts with a spoon in it.

    High Protein Snickers Mug Cake

    This is the best high protein snickers mug cake! It's so easy to make and this decadent dessert has 29 grams of protein!
    5 from 5 votes
    Print Pin Rate
    Course: Dessert, treat
    Cuisine: American
    Diet: Gluten Free, Low Lactose
    Prep Time: 3 minutes minutes
    Cook Time: 1 minute minute
    Cool time: 2 minutes minutes
    Servings: 1
    Calories: 669kcal
    Author: Dr. Erin Carter

    Equipment

    • Large microwave safe mug

    Ingredients

    Mug Cake Ingredients

    • 4 tablespoon almond flour
    • 2 tablespoon cacao powder or cocoa powder
    • 2 tablespoon collagen peptides
    • 1 large egg
    • 2 tablespoon coconut milk (or other milk of choice)
    • 2 tablespoon maple syrup
    • 1 teaspoon vanilla extract

    Caramel Topping

    • 1 tablespoon cashew butter
    • 1 tablespoon maple syrup
    • 1 teaspoon vanilla extract

    Final Toppings

    • 1 teaspoon peanuts
    • 1 teaspoon chocolate chips

    Instructions

    • Place all the ingredients for the mug cake in a large mug.
    • Whisk the ingredients well until you have a smooth cake batter (try and make sure there are no clumps remaining).
    • Place the mug in the microwave and heat on high for 70-80 seconds. Note: Do not cover the mug.
    • Let the cake cool for a few minutes, and while it is cooling make the toppings.
    • To make the caramel sauce place the cashew butter and maple syrup into a small bowl and stir it well until it's smooth.
    • Once the cake has cooled off a bit, top it with the caramel sauce.
    • Then add the peanuts and chocolate chips and enjoy!

    Notes

    1. Nutritional values are an estimate and will vary depending on the exact ingredients used. 
    2. Be sure to use a microwave-safe mug to make this cake.
    3. Do not cover the cake when you heat it in the microwave.

    Nutrition

    Calories: 669kcal | Carbohydrates: 62g | Protein: 29g | Fat: 38g | Saturated Fat: 12g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 8g | Trans Fat: 0.02g | Cholesterol: 164mg | Sodium: 114mg | Potassium: 560mg | Fiber: 7g | Sugar: 41g | Vitamin A: 238IU | Vitamin C: 0.3mg | Calcium: 183mg | Iron: 5mg
    Tried this Recipe? Pin it for Later!Mention @pureandsimpleno or tag #pureandsimpleno!

    DISCLAIMERS: The statements made on this website have not been approved by the Food and Drug Administration or Health Canada. The information is not intended to diagnose, treat, cure, or prevent disease. You assume full responsibility for how you use this information. Always consult with your physician or other health professionals before making any diet or lifestyle changes. This post may contain affiliate links whereby if you purchase these products I receive a small percentage of the sale price. This allows me to keep the blog running and I thank you for allowing me to do that!

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    A mug filled with a chocolate mug cake topped with caramel sauce, chocolate chips and peanuts.
    A snickers mug cake topped with chocolate chips, caramel sauce and peanuts.
    A photo of Dr. Erin Carter wearing a floral dress in her kitchen.

    Hi everyone!

    My name is Dr. Erin Carter and I am so thrilled you are here. I am a physician with specialties in both internal medicine and rheumatology, and I believe that food and healthy living are forms of medicine. In my spare time I share health information and delicious, healthy recipes here on Pure and Simple Nourishment.

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