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Easy Microwave Apple Crisp in a Mug is a single-serving dessert with cinnamon apples & oatmeal crisp topping. It’s the perfect fall treat!

For more apple treats, try my Mini Apple Tarts or my Air Fryer Apple Hand Pies!

White mug, vanilla ice cream, apple slices with crumble topping, a spoon.
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While I could eat apple-flavored desserts all year long, nothing is better on a chilly night than a warm, cinnamon apple dessert! But this apple crisp recipe is not your average fruit dessert; it is made in individual serving sizes and can be done in the microwave! So whenever that apple crisp craving hits, you can make this easy dessert recipe in just minutes!

I have had fun coming up with new easy microwave mug cake recipes, but have been craving an apple version and knew I had to experiment a little until I found the perfect recipe. After a few tries, I have perfected these Mug Apple Crisps and love how they are like a little cup of fall, in one single serving!

Ingredients

  • Apple Filling – Peeled and sliced apples, melted butter, cinnamon, brown sugar, and flour.
  • Crisp Topping – Softened butter (not melted), flour, old-fashioned oats, brown sugar, and cinnamon.

How to Make Microwave Apple Crisp in a Mug

  1. Mix apples with melted butter, cinnamon, brown sugar, and flour.
  2. Combine oats, flour, brown sugar and cinnamon then use a fork to mix in the softened butter.
  3. Layer apples and crisp topping in a mug and microwave for 3 minutes.
  4. Serve warm, preferably with a scoop of vanilla ice cream!
A collage of images showing how to make apple crisp in a mug.
White mugs with crisp topping and sliced apples

Helpful Tips

  • Want to make this recipe in the oven? Layer in an oven-safe ramekin and bake in a 375℉ oven for 120-12 minutes.
  • Feel free to adjust the amount of cinnamon or brown sugar to your liking.
  • For the crisp topping, the butter should be room temperature but not melted.
  • For the apples, the butter should be melted.
  • Make sure to use old-fashioned oats, not quick cooking.
  • The best variety of apple for a microwave crisp is your favorite variety! Any type of apple will work for this recipe. I personally prefer more tart apples, like Honeycrisp.

Fall is the season of comfort food and apples, and that is one of my favorite combinations. This Mug Apple Crisp Recipe is the perfect end to any fall evening!

White mug with a silver spoon holding sliced apples and crumb topping.

More Apple Recipes

Recipe

Easy Microwave Apple Crisp in a Mug Recipe

4.71 from 79 votes
Easy Microwave Apple Crisp in a Mug is a single-serving dessert with cinnamon apples & oatmeal crisp topping. It's the perfect fall treat!
Prep Time 10 minutes
Cook Time 3 minutes
Total Time 13 minutes
Servings 1 serving

Ingredients
  

For the apple filling:

  • 1 small apple (any variety) peeled and sliced thin
  • 1/2 tablespoon of melted butter
  • 1/4 teaspoon cinnamon
  • 1 teaspoon brown sugar
  • 1 teaspoon flour

For the crisp topping:

  • 2 tablespoons of softened butter not melted!
  • 1 tablespoons flour
  • 3 tablespoons old fashioned oats
  • 1 tablespoons brown sugar
  • ¼ teaspoon cinnamon
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Instructions
 

  • Mix apple filling ingredients in a small bowl.
  • Mix together crisp ingredients. Work in the butter with a fork.
  • Layer half the apples in a microwave safe bowl, mug, or ramekin. Top with half the crisp mixture. Add another layer of apples and then the remaining crisp mixture. Place in the microwave and cook for 3 minutes.
  • Careful, it will be very hot when removing from the microwave! Serve warm with whipped topping or vanilla ice cream.

Notes

  • If you want to make in the oven, you can bake in an oven-safe ramekin for 10-12 minutes in a 375-degree oven.
  • You can add more/less cinnamon and brown sugar to taste.
Keyword apple crisp

Nutrition

Calories: 512kcalCarbohydrates: 61gProtein: 4gFat: 30gSaturated Fat: 18gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gTrans Fat: 1gCholesterol: 75mgSodium: 233mgPotassium: 304mgFiber: 7gSugar: 35gVitamin A: 976IUVitamin C: 8mgCalcium: 53mgIron: 2mg

Nutritional Disclaimer Kristin Maxwell of “Yellow Bliss Road” is not a dietician or nutritionist, and any nutritional information shared is an estimate. For accurate calorie counts and other nutritional values, we recommend running the ingredients through your preferred online nutritional calculator. Calories and other nutritional values can vary depending on which brands were used.

Kristin Maxwell

Kristin Maxwell is the creator and main recipe developer, writer, and photographer of Yellow Bliss Road. A self-taught cook and self-appointed foodie, she specializes in easy, flavorful and approachable recipes for any home cook.

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Comments

  1. Susan Gilbert-Collins says:

    My 12 year old is just never very hungry for breakfast before school. Today I put this apple crisp in front of him (yes, I know it’s supposed to be dessert!) and he gobbled it up. Thanks! It’s warm and delicious, contains fruit and oatmeal, and filled him up before he went out the door! (My husband loved it too.)

    1. Kristin says:

      You are so welcome Susan! Thank you for the awesome comment.

  2. Deanne says:

    I looove your recipes! Thank you for what you do!!

    What size ramekin would work best for this recipe…? Thank you.

    1. Kristin Maxwell says:

      A 12-ounce. Keep in mind that the ramekin is short compared to the mug so the cook time might be slightly different.

  3. Deanne says:

    We love your recipes – and this mug recipe is wonderful. Thank you for sharing them with us Fellow Foodies!

    Could I make this with peaches?

    Thank you !

    1. Kristin Maxwell says:

      I think it would be delicious with peaches. I would suggest peeling them first.

  4. Mieke says:

    Holy microwave this tasted sooooo good!

    1. Kristin says:

      Nice! Thanks for stopping by Mieke.

  5. THIS RECIPE IS THE BEST!!!! says:

    IM OBSESSED WITH THIS RECIPE! Its so quick and easy and so delicous. I would add a bit more cinnamon though.

  6. THIS RECIPE IS THE BEST!!!! says:

    IM OBSESSED WITH THIS REDIPE! Its so quick and easy and so delicous. I would add a bit more cinnamon though.

  7. Neet says:

    This was so good

    1. Kristin says:

      Thank you Neet!

  8. Cook4Ever says:

    Hi! his was amazing! Quite easy to make as well. I added 2tbles of chocolate chips and it worked amazingly!

  9. Amy says:

    I just made it and really liked it. I would make again. I agree with another comment regarding what size apple to use. I used a small one and I’m not sure if a larger one would have made it more juicy. It seemed a little dry but still good. Thank you!

    1. Kristin says:

      You are so welcome Amy! Thank you for taking the time to share.

  10. Iris says:

    it is not showing me how to make it

    1. Kristin Maxwell says:

      I’m not sure what you mean. There are instructions in the recipe card at the end of the post.

  11. A says:

    I wanted to love this but it took a lot of effort to make for something being popped into the microwave. Measurements were followed to a T but we were quite disappointed. My husband thought it tasted like cinnamon apple oatmeal from a pack and told me it was the most disappointing dessert I’ve made when I asked for an honest opinion. I will say there’s a chance it would have been better had I used Granny Smith apples but I just used what I had on hand. The recipe was easy to follow and I appreciated that. The oatmeal was still very very crunchy after the 3 minutes and I used quick oats (expected a crisp but not raw oat taste). If you are trying this, maybe decrease the brown sugar a smidge.

    1. Kristin Maxwell says:

      Hi A – The biggest issue I can see from your comment is that you used “Quick Oats” when the recipe calls for “Old Fashioned Oats.” There is quite a difference and the result would leave your topping the texture of oatmeal.

      1. E.P says:

        Delishious! I used brown sugar substitute instead, as I have been experimenting with which recipes I can use with it (works well in a cake n a cup too) and it turned out amazing! It wasn’t exactly crunchy but if I wanted in the future I could make a crunchy topping. Was very nice with cream as well 🙂

    2. Cook4Ever says:

      It does taste a bit like oatmeal, but otherwise very good. Try adding some ginger and chocolate chips.

  12. maryann says:

    This review is in agreement with Corinne’s. Haven’t made yet but recipe seems super easy, simple ingredients, clear instructions. Thanks.

    1. Kristin says:

      You are so welcome Maryann! Thanks for stopping by.

  13. Ozzie says:

    I made this today and it was so easy and quick and I loved the simple ingredient list. I added walnuts to the apple mixture and then also of a nice scoop of vanilla ice cream when it was hot from the microwave. This is a terrific recipe and I will definitely make it again when I’m craving a delicious apple crisp. I ate the whole thing, but it makes enough for a small dessert for 2 people, especially if you add the ice cream. Really a great and easy recipe!

    1. Kristin says:

      Awesome feedback Ozzie! Thanks for stopping by.

  14. Donna says:

    I made with a nectarine. I didn’t have apples. It was really good.

    I will tweak the recipe as I don’t like anything really sweet. But I definitely will make again this summer with the nectarines and keep the apples for the fall. I think I’ll also add apples and walnuts.

    1. Kristin Maxwell says:

      That sounds so good!

  15. Melinda says:

    This was super yummy! Took a little bit longer than the typical 1 minute mug cakes I’m used to, but I really enjoyed it and would make it again 🙂 Only constructive criticism is that it would be great if you specified whether it was a small or large apple, because they’re so different!

  16. Corinne says:

    The recipe rating is based on ingredients, ease of preparation and clear instructions, as I have not made it yet. Just wanted to say I have spent half an hour wading through other people’s websites with similar recipes just trying to even FIND the recipe, just to be distracted by ads, links, landing pages, videos with no captions and never getting an actual recipe. Yes, everyone has ads these days but you do provide a recipe that was worth searching for. That’s what makes people come back. Thanks!

    1. Kristin says:

      Thank you so much for stopping by Corinne! Love the feedback!
      K.

  17. Melissa says:

    Exactly what I was craving! Easy and quick as well. Thank you!!!

    1. Kristin says:

      Nice! You are so welcome Melissa! Thanks for stopping by.
      K.

  18. Mykenzie says:

    Absolutely delicious!

  19. Matt says:

    This. Was. Heaven. Especially licking the crumble mixing bowl

  20. Shamika Cole says:

    This was really good! I like that it was one serving and I did not have to make a huge pan to satisfy my sweet tooth. Thank you for sharing!

    1. Kristin says:

      You are so welcome Shamika! Thanks for stopping by.