Apple Crisp in a Mug

Make this easy apple crisp in a mug recipe in just 15 minutes! Single-serving microwave dessert with tender spiced apples and buttery oat crumble topping.
Frequently asked questions
+ − Can I make this apple crisp in a regular oven instead of microwave?
Yes! Preheat your oven to 350°F (175°C) and bake for 15-20 minutes until the top is golden and the apples are tender. Use an oven-safe ramekin instead of a mug.
+ − What size mug should I use for this recipe?
Use a large microwave-safe mug that holds at least 12-16 ounces to prevent overflow during cooking. A wide mug works better than a tall, narrow one.
+ − Can I double this recipe?
Absolutely! Double all ingredients and use two mugs, or make it in a larger microwave-safe bowl. You may need to increase the cooking time by 30-60 seconds.
+ − Why do I need to cook at 60% power for the final step?
Lower power prevents the apple crisp from cooking too quickly and potentially overflowing or becoming rubbery. It ensures even cooking throughout.
Apple Crisp in a Mug
Nutrition shown per serving · updates with portion size
Ingredients
Instructions
- 1
In a small bowl, combine softened butter and white sugar using your fingers to mix. Add flour, oats, 1 pinch of cinnamon, and salt. Continue mixing until the mixture becomes crumbly and resembles coarse breadcrumbs.
- 2
Lightly grease a microwave-safe mug. Place half of the oat crumble mixture into the bottom of the mug and gently press it down to form a crust layer.
- 3
Microwave the crust on high power for 30 seconds to set it slightly.
- 4
Add the sliced apples, brown sugar, remaining pinch of cinnamon, and water to the mug. Gently mix the apple mixture together, being careful not to disturb the bottom crust. Top with the remaining oat crumble mixture.
- 5
Microwave on 60% power for 1 minute and 50 seconds. Allow to cool for about 1 minute before serving to prevent burns and let the flavors settle.
American comfort food
Mia CarterMia grew up in a Midwest kitchen and specializes in cozy, crowd-pleasing weeknight dinners. She tests every recipe until it works on the first try.
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