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    Home » Recipes » Dessert

    Oatmeal Mug Cake with Rolled Oats

    Published: Feb 8, 2022 · Modified: Feb 15, 2023 by Maria Doss · This post may contain affiliate links · 4 Comments

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    Microwave Oatmeal Mug Cake - Warm, Soft and fluffy mug cake with oats is perfect for snack, dessert or top with greek yogurt and berries for breakfast.

    Check out few other popular mug cake recipes like Microwave Red Velvet Cake, Carrot Cake Mug Cake or Chai Cake in a mug.

    As an Amazon Associate and member of other affiliate programs we earn a small commission from qualifying purchases through our affiliate link. For more information read our Non-Disclosure Agreement.

    Oats mug cake for breakfast topped with berries.

    If you have ever craved eating a dessert for breakfast, then this recipe is for you - A soft cake with the addition of old fashioned oats, this can be enjoyed as a snack, dessert or breakfast!

    It is a an amazing breakfast oat cake -Light, fluffy and tender cake with chewy bits of rolled oats. It is so good that my kids we have been enjoying this cake almost everyday. Almost like microwave breakfast muffin. Since it is an eggless recipe, it is perfect if you are a vegetarian or if you simply run out of eggs.

    Oatmeal Mug Cake

    • Easy
    • Single serving
    • Cooks in under 2 seconds
    • Late night munchy
    • No eggs <---- Vegetarian
    • Quick snack / dessert / Breakfast
    • No need to make oat flour
    • Microwave cooking

    Ingredients

    Oats - We used rolled oats (also known as old fashioned oats)

    Flour - Regular unbleached all purpose flour

    Sugar - We used golden brown sugar

    Milk - Use whole or reduced fat milk

    Oil - Use a neutral oil like vegetable or canola oil

    Flavorings - Ground cinnamon

    Leavening - Baking powder

    ingredients needed.

    How to make?

    Whisk dry ingredients - Add oats, flour, brown sugar, cinnamon, baking powder and salt into a microwave safe mug. Mix until thoroughly combined.

    Mix in wet ingredients - Mix in milk and oil to make a smooth batter.

    Cook - Microwave for about 1 minute and 45 seconds.

    Oats, Flour, Brown Sugar, Baking Powder & Cinnamon
    Mug Cake batter with oats

    Expert tips

    Oats - Use only rolled or old fashioned oats for this recipe and not quick cooking/instant oats.

    Brown sugar - Use golden or light brown sugar and not dark brown.

    Cooking time - It depends on the size of mug used

    Wider mug - 1 minute + 40 seconds

    Narrow mug - 1 minute + 50 seconds

    Stir batter until lump free – Using a spoon, stir the cake batter until smooth and no lumps remain.

    Best eaten hot – Enjoy this cake HOT! As with mug cakes, some might dry out a little when left at room temperature.

    Type of mug to use - Any microwave safe coffee mug. The batter will rise significantly when cooking. So, make sure that mug is big enough.

    More recipes using oats:

    • Oatmeal made in Air Fryer
    • Eggless Oatmeal Cookies
    • Oat Flour Pancakes
    • Instant Pot Creamy Oatmeal
    • Baked Oatmeal
    • Blender Oatmeal Waffles
    white mug with microwave mug cake.

    How to serve?

    For breakfast - Top hot cake with a dollop of sweetened greek yogurt and fresh fruits like berries and/or banana.

    For Snack / Dessert - Top with sweetened whipped cream and fresh berries.

    Variations

    1. Chocolate chip - Mix some semi sweet chocolate chips into the batter.
    2. Spice - Add ground ginger, nutmeg or pumpkin spice along with cinnamon.
    3. Raisins - Stir in some golden raisins.
    4. Vanilla - Skip cinnamon and add vanilla extract.
    5. Walnuts - Mix in some chopped walnuts

    Topping ideas

    • Fresh strawberries, blueberries or raspberries
    • Banana
    • Chocolate syrup
    • Nutella
    • Whipped cream
    • Sweetened greek yogurt
    • Peanut or almond butter

    More Dessert for breakfast ideas:

    • Almond Flour Apple Crisp
    • Almond Butter Cookies
    • Banana Cake
    • Bread Pudding
    • Chocolate Cherry Smoothie
    breakfast mug cake with oats topped with yogurt.

    More Mug Cake recipes to try:

    • a spoonful of red velvet cake above a white cup.
      Red Velvet Mug Cake
    • apple mug cake on a brown wooden board.
      Microwave Apple Mug Cake - No Eggs
    • white mug with cooked carrot cake with a spoon.
      Best Carrot Mug Cake
    • microwave oreo cake in a white mug.
      Oreo Mug Cake (Not From TIKTOK)
    • Mocha Mug Cake
    • Apple Mug Cake
    • Lemon mug Cake from Scratch
    • Vegan Vanilla Mug Cake
    • Eggless Banana Mug Cake
    • Microwave Almond Flour Mug Cake
    • Black Forest Mug Cake
    • Mango Mug Cake
    • Nutella Brownie Mug Cake

    Follow me on INSTAGRAM, TIK TOK, FACEBOOK or PINTEREST for more delicious recipes.

    white mug with microwave oats mug cake.

    Oatmeal Mug Cake with Rolled Oats

    Microwave Oatmeal Mug Cake - Warm, Soft and fluffy mug cake with oats is perfect for snack or top with greek yogurt and berries for breakfast.
    4.8 from 21 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 1 minute
    Cook Time: 2 minutes
    Total Time: 1 minute
    Servings: 1 Serving
    Calories: 554kcal
    Author: Maria Doss

    Ingredients

    • ¼ cup rolled or old fashioned oats
    • 3 tablespoons all purpose flour
    • 3 tablespoons light or golden brown sugar not packed
    • ½ teaspoon baking powder
    • ¼ teaspoon ground cinnamon
    • 1 pinch salt
    • ¼ cup milk whole or 2%
    • 2 tablespoons vegetable oil

    Toppings (optional)

    • Sweetened greek yogurt or whipped cream
    • Fresh berries
    Prevent your screen from going dark

    Instructions

    • Add first 6 ingredients (oats, flour, brown sugar, baking powder, cinnamon and salt) into a microwave safe mug and stir well.
    • Mix in milk and oil, until smooth and well combined.
    • Microwave for 1 minute plus 40 seconds (if using a wide mug) or 1 minute plus 50 seconds (if using a narrow mug).
    • Tip - DO NOT OPEN MICROWAVE IN BETWEEN
    • Remove mug from microwave, top with desired toppings and enjoy!

    Notes

    Oats – Use only rolled or old fashioned oats for this recipe and not quick cooking/instant oats.
    Brown sugar – Use golden or light brown sugar and not dark brown.
    Cooking time – It depends on the type of mug used
    Wider mug – 1 minute + 40 seconds
    Narrow mug – 1 minute + 50 seconds
    Best eaten hot – Enjoy this cake HOT! As with mug cakes, some might dry out a little when left at room temperature.
    Type of mug to use – Any microwave safe coffee mug. The batter will rise significantly when cooking. So, make sure that mug is big enough.

    Nutrition

    Serving: 1 Serving | Calories: 554kcal | Carbohydrates: 60g | Protein: 10g | Fat: 31g | Saturated Fat: 3g | Polyunsaturated Fat: 26g | Trans Fat: 1g | Cholesterol: 5mg | Sodium: 411mg | Fiber: 5g | Sugar: 14g

    Nutritional information is based on third party calculations, should be considered estimates and not be construed as a guarantee. Varying factors such as product types, brands purchased, produce, the way ingredients are processed and more change the nutritional information in any recipe.

    Did you make this recipe?Mention @KitchenAtHoskins or tag #kitchenathoskins!

    Did you make this recipe? I’d love your feedback! Please let me know by leaving a comment or review below or snap a photo and share on Instagram.

    Some of the links above are affiliate links, which pay me a small commission for my referral at no extra cost to you! I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Thank you for supporting kitchenathoskins.com

    All contents and images are my original work, unless and otherwise mentioned. Please do not use my recipes or images without linking back to www.kitchenathoskins.com. If you wish to republish a recipe, please rewrite in your own words and don’t forget to include a link back to the original recipe.

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    Reader Interactions

    Comments

    1. Barbara

      September 23, 2022 at 10:29 am

      Dear Maria, what is the wattage of your microwave? Since you can't open the microwave in between, and the 1m 40s time seems long for 1100 watts, I'm not sure how to make it in my microwave.

      Reply
      • Maria Doss

        September 24, 2022 at 7:04 pm

        Hi Barbara,

        We apologize for a late reply. When cooking for the first time, we recommend checking after 1 min and 30 seconds. If it doesn't look well risen and cooked through, then cook for an additional 10 to 20 seconds. Hope it helps, have a great weekend - Maria

        Reply
    2. Caroline

      October 14, 2022 at 7:21 am

      I tried this today. The overall consistency was good but I found the hard bits to be disruptive (I would prefer plain porridge to this). Not my cup of tea, but not a bad recipe either 🙂

      Reply
      • Maria Doss

        October 14, 2022 at 6:10 pm

        Hi Caroline, Hmmm.. not sure about the crunchy bits you are talking about. Did you use steel cut oats instead of rolled oats? Regular oats will soften during the cooking time and will add to the texture but not stay crunchy - Maria

        Reply

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    Maria Doss
    Maria Doss

    I am Maria Doss, the recipe creator, photographer and writer behind Kitchen at Hoskins. Here you'll find lots of creative recipes that use clever techniques or flavor profiles. It might intertwine two cuisines together to create a perfect blend or use an innovative technique.
    About Maria ->

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