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    Oh My Veggies » Vegetarian Recipes » Dessert Recipes

    Brownie Mug Cake

    Published: Aug 21, 2021 · by Nicole · Updated: Sep 16, 2021 · This post may contain affiliate links.

    Jump to Recipe - Print Recipe
    brownie mug cake
    brownie mug cake
    brownie mug cake

    This rich, decadent Brownie Mug Cake is ready in just 5 minutes from start to finish. Save this delicious, fudgy, single-serve brownie to enjoy at the end of the day.

    scooping a spoonful out of a brownie mug cake

    Don't want to make a whole pan of brownies, but craving something sweet?

    When I'm craving chocolate but only need one serving, this single serve mug brownie recipe is my go-to! It's made with simple ingredients and comes together quickly, but still has a big payout in flavor!

    If you have a little more time, you could whip up some 4-Ingredient Vegan Fudge or No-Bake Vegan Cocoa Maca-roons. (As a bonus, both of these recipes can be made in advance and stored for later snacking!)

    This Brownie Mug Cake recipe is... 

    • Made with 10 ingredients
    • Egg-free
    • Easily made dairy-free 
    • Cooked in the microwave 
    • Quick to make
    • Single-serve

    How to Make a Brownie Mug Cake

    how to make brownie mug cake collage
    1. Whisk all dry ingredients together until well-combined.
    2. Next add in the milk, vanilla, and oil. Mix well till combined. 
    3. Fold in the nuts and chocolate chips. 
    4. Place mug in the microwave and cook until the brownie is done. 

    Tips & Tricks

    top view brownie mug cake

    Microwave-Safe Mug 

    Make sure to use a microwave-safe mug. You also want to make sure your mug will be large enough to hold the brownie batter—and have room for the batter to expand as it cooks. 

    Whisk 

    I recommend using a whisk to mix the ingredients together. You will find that a whisk will help you avoid having dry lumps of flour or cocoa powder in your brownie. 

    Cooking Time 

    All microwaves cook slightly different, so make sure to watch your brownie. You don't want it to get overcooked and dry out! I would start with 50–60 seconds of cooking time, then check your brownie. If it is still doughy and wet, cook it in the microwave for another 10–30 seconds. Then go from there. 

    Variations

    ingredients for brownie mug cake

    Dairy-Free 

    You can swap out the milk in this recipe for any of your favorite plant-based dairy replacements. As for the chocolate chips, you can omit them or swap them out with a dairy-free version as well. 

    Mix-Ins 

    Get creative! Try adding chocolate chips and nuts, only nuts, peanut butter cups, or other chopped candy bars. Have fun mixing in whatever your heart desires! 

    Toppings 

    Try drizzling some caramel sauce over the top with some crushed pecans for a turtle-style dessert. Or try adding a little frosting for a frosted brownie!

    FAQs

    brownie mug cake on table with spoon, toppings, and cloth

    How do I know when my mug brownie is done? 

    You will know when the brownie is done by the way it looks and feels. The brownie will dry up a bit and not have any more wet batter.

    You can test this by sticking a toothpick in the center of the brownie. If there is any wet batter on the toothpick, return the brownie to the microwave and cook your brownie a bit longer. 

    Can I make this brownie dessert in advance? 

    Want to mix up all the dry ingredients in advance? Go right ahead. Place the dry ingredients in a bag or airtight container. Then write the list of liquid ingredients (oil, milk, and vanilla) on the bag so you can whip up your mug brownie as quickly as possible when you want it! 

    Does this recipe work with gluten-free flour? 

    I have not tried making these mug brownies with gluten-free flour, but you should easily be able to swap the all-purpose flour with a gluten-free flour blend. Just make sure to convert the measurement if needed.

    More Mug Cakes

    If you love this brownie mug cake, check out these other single serving desserts:

    • Sweet Potato Mug Cakes
    • Cinnamon Roll Mug Cakes
    • Pumpkin Mug Brownies
    brownie mug cake

    Brownie Mug Cake

    This rich, decadent Brownie Mug Cake is ready in just 5 minutes from start to finish. Save this delicious, fudgy, single-serve brownie to enjoy at the end of the day.
    Print Recipe Pin Recipe Email Recipe
    Prep Time: 3 minutes
    Cook Time: 2 minutes
    Total Time: 5 minutes
    Course: Dessert
    Cuisine: American
    Diet: Vegan, Vegetarian
    Keyword: brownie in a mug, Brownie Mug Cake, mug brownie, mug brownie recipe
    Servings: 1 mug brownie
    Calories: 434kcal
    Author: Oh My Veggies

    Ingredients

    • 3 tbsp all-purpose flour
    • ¼ tsp baking powder
    • 2 tbsp white sugar (organic for vegan-friendly)
    • 1 tbsp cocoa powder
    • 1 tbsp canola oil or substitute sunflower or coconut oil
    • 2 tbsp milk or substitute dairy free milk
    • ¼ tsp vanilla extract
    • ⅛ tsp salt
    • 1 tbsp chocolate chips
    • 1 tbsp walnuts chopped
    US Customary - Metric

    Instructions

    • Place dry ingredients (flour, sugar, cocoa powder, salt and baking powder) in a large microwave-safe mug. Whisk to combine.
      brownie mug cake
    • Add milk, oil, and vanilla extract, and stir to combine well.
      brownie mug cake
    • Fold in the chocolate chips and walnuts.
    • Place mug in the microwave and cook for 60 seconds on high power.
      brownie mug cake
    • Check your mug brownie. If it's still wet, cook in the microwave for another 30 seconds. If it's just a bit raw in the center after the first 60 seconds, that’s perfect! If you keep cooking your brownie after this point, it could end up being overcooked and dry.
      brownie mug cake

    Notes

    You can make a dairy-free version of this mug cake by swapping the milk for almond or soy milk.

    Nutrition

    Calories: 434kcalCarbohydrates: 52gProtein: 6gFat: 25gSaturated Fat: 4gPolyunsaturated Fat: 9gMonounsaturated Fat: 10gTrans Fat: 1gCholesterol: 5mgSodium: 414mgPotassium: 186mgFiber: 3gSugar: 30gVitamin A: 51IUVitamin C: 1mgCalcium: 113mgIron: 2mg
    Craving more veg-friendly recipes? Shop our collection of vegetarian and vegan cookbooks, including our new Vegan Thanksgiving and Vegan Christmas cookbooks!
    « Garlic Butter Corn Ribs (Vegan)
    50+ Kid-Friendly Vegetarian Recipes »

    Dessert Recipes, Vegan Dessert Recipes, Vegan Recipes, Vegetarian Recipes chocolate chips, cocoa powder, milk

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    Nicole is a life long vegetarian and the author of the popular vegan cookbook, Weeknight One Pot Vegan Cooking. She loves sharing her recipes and showing the world just how easy and delicious meatless meals can be!
    Learn more here.

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