Microwave Apple Crisp in a Mug 🍎 – 5‑Minute Single‑Serve Treat
A cozy, single-serve microwave dessert that’s perfect for busy days or dorm room snacking!
Craving warm apple crisp but don’t have time to preheat an oven? This microwave mug version delivers all the cinnamon-spiced, buttery goodness of classic apple crisp in just 5 minutes! Using simple ingredients like oats, apples, and cinnamon, this single-serve treat is perfect for students, busy professionals, or anyone needing a quick dessert fix. No oven, no baking sheet—just a mug, a microwave, and pure comfort!
Whether you’re studying late, short on kitchen tools, or want to avoid dirtying dishes, this mug dessert is your solution. It’s also a fun way to enjoy fall flavors year-round without the hassle of traditional baking.
This recipe uses minimal ingredients you probably already have: apples, oats, butter, and cinnamon. The microwave method ensures even cooking without burning, and the result is a warm, gooey apple base topped with a crunchy oat crumble—just like homemade apple crisp!
Plus, it’s portable! Take it to work, school, or a movie night and enjoy it right in the mug. Top with a splash of milk or a dollop of whipped cream for extra indulgence.
Ready to make dessert in under 5 minutes? Let’s get started!
Ingredients
- 1/2 cup diced apples (Granny Smith or Honeycrisp)
- 2 tbsp rolled oats
- 1 tbsp brown sugar
- 1/2 tsp ground cinnamon
- 1 tbsp unsalted butter, melted
- 1/4 tsp vanilla extract
- 1 tbsp flour
- 1/2 tbsp milk (any kind)
- Whipped cream or vanilla ice cream (optional, for serving)
Instructions
- Step 1: 1
Prepare the Apple Layer: In a microwave-safe mug, layer the diced apples, brown sugar, cinnamon, and 1/2 tbsp melted butter. Mix gently to coat the apples evenly.
💡 Use a 16-oz mug with a wide base for even cooking.
- Step 2:
2Create the Crumble Topping: In a small bowl, combine oats, remaining 1 tbsp melted butter, 1 tbsp brown sugar, 1/2 tsp cinnamon, and 1 tbsp flour. Mix until crumbly. Add 1/2 tbsp milk to bind the mixture.
💡 For extra crunch, add 1/4 tsp nutmeg or a pinch of salt.
- Step 3:
3Assemble and Microwave: Spread the crumble topping over the apples. Microwave on high for 3-4 minutes, or until the topping is golden and the apples are tender.
💡 Check halfway: if the topping browns too quickly, cover with a microwave-safe lid.
- Step 4:
4Serve and Enjoy: Let cool slightly, then top with whipped cream or a scoop of ice cream. Enjoy immediately!
💡 Add a sprinkle of cinnamon or a caramel drizzle for extra flair.
Microwave Apple Crisp Mug
Quick, cozy dessert for one!
5mPrep Time3mCook Time1Servings🛒 Ingredients
- - 1/2 cup diced apples
- - 2 tbsp rolled oats
- - 1 tbsp brown sugar
- - 1/2 tsp ground cinnamon
- - 1 tbsp melted butter
- - 1/4 tsp vanilla extract
- - 1 tbsp flour
- - 1/2 tbsp milk
👨🍳 Instructions
1Prepare the Apple Layer: In a microwave-safe mug, layer the diced apples, brown sugar, cinnamon, and 1/2 tbsp melted butter. Mix gently to coat the apples evenly.
💡 Use a 16-oz mug with a wide base for even cooking.
2Create the Crumble Topping: In a small bowl, combine oats, remaining 1 tbsp melted butter, 1 tbsp brown sugar, 1/2 tsp cinnamon, and 1 tbsp flour. Mix until crumbly. Add 1/2 tbsp milk to bind the mixture.
💡 For extra crunch, add 1/4 tsp nutmeg or a pinch of salt.
3Assemble and Microwave: Spread the crumble topping over the apples. Microwave on high for 3-4 minutes, or until the topping is golden and the apples are tender.
💡 Check halfway: if the topping browns too quickly, cover with a microwave-safe lid.
4Serve and Enjoy: Let cool slightly, then top with whipped cream or a scoop of ice cream. Enjoy immediately!
💡 Add a sprinkle of cinnamon or a caramel drizzle for extra flair.
Nutrition (per serving):
230 calories2g protein10g fat32g carbsIngredient Notes & Substitutions
Diced Apples
The base of this dessert! Use firm apples like Granny Smith or Honeycrisp for the best texture. Avoid overly soft varieties like Fuji.
Substitutions: Frozen apple slices (thawed), apple sauce (1/4 cup), or pears.
Rolled Oats
Provides a hearty, chewy texture to the crumble topping. Quick oats can be used but will result in a more cake-like texture.
Substitutions: Almond flour, crushed graham crackers, or shredded coconut.
Brown Sugar
Adds moisture and caramel-like flavor. For a healthier option, use coconut sugar or a maple syrup drizzle.
Substitutions: White sugar, honey, or a sugar substitute like monk fruit.
Melted Butter
Creates a rich, buttery flavor and helps bind the crumble topping. For a dairy-free version, use coconut oil.
Substitutions: Margarine, olive oil, or vegan butter.
Pro Tips for Perfect Microwave Apple Crisp
⚠️ Mug Size Matters
Use a 16-oz mug with a wide base for even cooking. Avoid narrow mugs that can cause uneven heating.
⏰ Timing is Key
Microwave on high for 3-4 minutes. Check halfway: if the topping browns too quickly, cover with a microwave-safe lid.
🍎 Apple Prep
Dice apples uniformly for even cooking. Larger pieces may remain underdone, while small dice can become mushy.
❄️ Chilling Tip
Chill the mug in the fridge for 10 minutes before adding the crumble topping to prevent the topping from becoming too soft.
Variations & Customizations
Vegan Version
Use vegan butter, coconut oil, and a plant-based milk like almond or oat milk. Top with vegan whipped cream.
Low-Sugar Option
Replace brown sugar with a sugar substitute like erythritol or monk fruit. Use unsweetened applesauce instead of apples.
Peanut Butter Twist
Add 1 tsp peanut butter to the crumble topping for a nutty flavor. Pair with a drizzle of peanut butter sauce.
Caramel Drizzle
Stir 1/2 tsp caramel sauce into the apple layer before microwaving. Serve with extra caramel on top.
Serving Suggestions & Pairings
🍽️ Best Served With:
- A scoop of vanilla ice cream for a classic contrast
- A dollop of Greek yogurt for a tangy twist
- A sprinkle of cinnamon or a drizzle of caramel sauce
🍷 Drink Pairings:
Pair with a warm mug of spiced chai, a glass of dessert wine like Sauternes, or a simple cup of black coffee.
Make-Ahead Instructions & Storage
📅Make-Ahead Tips
Prepare the crumble topping up to 24 hours in advance and store in an airtight container in the fridge. Assemble the dessert just before microwaving.
🧊Refrigerator Storage
Store leftover crumble topping in an airtight container for up to 5 days. Reheat individual portions in the microwave for 1-2 minutes.
❄️Freezer Storage
Freeze pre-made crumble topping in a ziplock bag for up to 3 months. Thaw in the fridge before using.
♨️Reheating Instructions
Reheat in the microwave for 1-2 minutes. For extra crispiness, finish under a broiler for 1-2 minutes.
Troubleshooting & Common Questions
Q: My crumble topping was too soggy. Why?
A: This usually happens if the mug is too small or the apples were overcooked. Use a larger mug and reduce microwave time by 30 seconds.
Q: Can I use a regular mug?
A: Yes, but ensure it’s microwave-safe and has a wide base. Avoid mugs with metallic accents or patterns.
Q: How do I prevent the apples from becoming too mushy?
A: Dice apples uniformly and avoid overcooking. Check for doneness by gently poking the apples with a fork.
Q: Can I double the recipe?
A: Yes, but use two separate mugs. The microwave may not heat a larger volume evenly in a single mug.
Final Thoughts
This microwave apple crisp mug is the ultimate solution for dessert lovers on the go. It’s quick, customizable, and delivers all the cozy flavors of a classic apple crisp without the mess of traditional baking. Whether you’re a student, a busy professional, or just someone who craves comfort food, this single-serve treat is a game-changer.
Try it with your favorite toppings variations and share it with friends! For best Pinterest visibility, post this mug dessert pin as part of a complete meal series over 5-7 days: start with this microwave apple crisp, followed by a spiced chai latte, and finish with a fall-inspired flat lay of the complete meal.
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Chef's Rating
Liam Croft
Nov 17, 2025
4.0Microwave Apple Crisp in a Mug turned out surprisingly cozy. Made Tuesday night in my kitchen, the oat topping stayed crisp while diced apple pieces softened into sauce just before serving. Tested extra brown sugar since my pantry was low. Honestly, four stars, a quick treat for my weekday rotation.
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4.0 / 51 review (1 chef review + 0 visitor reviews)
Chef Rating4.0Visitor Average0.0Based on 1 chef review and 0 visitor reviews
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