Single Serve Apple Crisp
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If you love my Classic Apple Crisp but want a quicker version or simply aren’t baking for a crowd, this Single Serve Apple Crisp is for you! It has all of the cozy fall flavors you love like tender cinnamon-spiced apples, a buttery oat crumble, and plenty of warm, sweet goodness, but is scaled down to make just one serving.
It’s perfect for those nights when you want a little something sweet after dinner without having to make a whole big dish. The apple filling and crisp topping come together quickly, and everything bakes in one small dish for an easy dessert with very little cleanup.
I love to serve this apple crisp warm, straight from the oven, with a scoop of vanilla ice cream, a dollop of whipped cream, or just enjoy it as-is. Honestly, there’s no wrong way to enjoy it!
For more single serve desserts, be sure to also try my Single Serve Chocolate Chip Cookie, Single-Serve Thin and Chewy Chocolate Chip Cookie, Pumpkin Mug Cake, Chocolate Mug Cake, or Banana Chocolate Chip Mug Cake.

Table Talk with Tawnie
Apple Crisp is one of my favorite Fall desserts but sometimes I don’t want to make a full batch and have a ton of leftovers…like I just want a few bites for myself…and maybe I’ll allow my husband and children to sneak in a few bites too…if they’re lucky. Which brings me to this single serve apple crisp. The perfect little treat to make when there is 1 lonely apple left, and when you want that cozy individual treat on a cool autumn night!

- All-purpose flour: Make sure you’re using the spoon and level method to measure your flour when baking.
- Old-fashioned oats: Old-fashioned rolled oats are my preference for this crisp. They give just the right amount of chew while also baking quickly. You could also use quick oats, but they will have a slightly different texture. I don’t recommend using steel-cut oats for this recipe.
- Apples: I used a medium Honeycrisp apple. Just make sure to use crisp apples that stand up well to heat.
- Unsalted butter: The butter gets melted (so no need to soften first) and stirred right into the crumble topping, making it extra buttery and delicious.
- Pecans: I love adding a few chopped pecans into the crumble topping for a little extra crunch!

Step by Step Directions
(For the full recipe, scroll down to the recipe card below)
Make the filling
In a small bowl, stir together the filling ingredients.
Transfer
Transfer the apple mixture to the prepared ramekin.
Make the topping
In another small bowl, combine the dry crumble ingredients. Then stir in the melted butter and vanilla until the mixture is crumbly.
Add topping
Sprinkle evenly over the apples.
Bake & enjoy!
Bake for 25-30 minutes. Let cool, then serve with a scoop of vanilla ice cream and ENJOY!!😋🍎🍨
Expert Tips
- Cut apples evenly: Cut your apples into even-sized pieces so they bake evenly and you don’t end up with some crunchy bites and some mushy ones.
- Chill the topping: If you have a few extra minutes (or want to prepare in advance) let the oat topping chill in the refrigerator. This helps the flavors come together and helps it to get crispy in the oven.
- Browning too quickly: If you notice your topping starts to brown too quickly, cover with foil so that you can continue to cook until the apples are tender and soft.
- Serve warm with ice cream: Apple crisp is at its best right out of the oven with a scoop of vanilla ice cream (or a drizzle of caramel sauce).
try my classic apple crisp
Just like this single-serve portion, but made for a crowd! This Apple Crisp is one of my favorite classic Fall desserts. Made with soft, cinnamon-spiced apples that are baked under a buttery oat topping. It’s the kind of dessert that feels indulgent but is so easy to make.
Variations / Substitutions
- Use a mix of apples: Use a mix of tart and sweet apples (like Granny Smith with Honeycrisp or Fuji) to give this crisp even more flavor and texture (honestly this recipe is great for using up any crisp apples you have on hand!).
- Different fruits: Swap some of the apples with pears, peaches, or berries for a twist on the classic dessert.
- Gluten-free: Use certified gluten-free oats and substitute a 1:1 gluten-free flour to make this crisp gluten-free.
- Nutty topping: Swap the pecans for walnuts or almonds if you prefer.

Storage / Freezing
- Storage: This single serve apple crisp is best enjoyed fresh, but if you have any leftover you can cover the apple crisp and store it at room temperature for 1 day, or in the refrigerator for up to 4 days. To reheat, warm in the microwave, or reheat in a 350°F oven until warmed through and the topping is crisp again.
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Single Serve Apple Crisp
Ingredients
Apple Filling
- 1 medium Honeycrisp apple (peeled and diced (about 1½ cups))
- 1 Tbsp. brown sugar
- 1 tsp. fresh lemon juice
- 1/2 tsp. vanilla extract
- 3/4 tsp. ground cinnamon
- Pinch ground nutmeg
- Pinch kosher salt
- 2 tsp. cornstarch or all-purpose flour
Crisp Topping
- 3 Tbsp. old-fashioned rolled oats
- 3 Tbsp. all-purpose flour
- 1-2 Tbsp. brown sugar
- 1 Tbsp. chopped pecans (optional)
- 1/4 tsp. ground cinnamon
- Pinch kosher salt
- 1-2 Tbsp. unsalted melted butter
- 1/4 tsp. vanilla extract
- Vanilla Ice Cream (for serving)
Last step! If you make this, please leave a review and rating letting us know how you liked this recipe! This helps our business thrive & continue providing free recipes.
Instructions
- Preheat: Preheat the oven to 350°F. Lightly grease a 12 oz ramekin with butter or cooking spray.
- Make the filling: In a small bowl, stir together the diced apple, brown sugar, lemon juice, vanilla, cinnamon, nutmeg, salt, and cornstarch until well combined.1 medium Honeycrisp apple, 1 Tbsp. brown sugar, 1 tsp. fresh lemon juice, 1/2 tsp. vanilla extract, 3/4 tsp. ground cinnamon, Pinch ground nutmeg, Pinch kosher salt, 2 tsp. cornstarch or all-purpose flour

- Transfer: Transfer to the prepared ramekin.

- Make the topping: In another small bowl, combine the oats, flour, brown sugar, pecans, cinnamon, and salt. Stir in the melted butter and vanilla until the mixture is crumbly. Start with 1 Tbsp, and add a little more as needed to bring the crumble together.3 Tbsp. old-fashioned rolled oats, 3 Tbsp. all-purpose flour, 1-2 Tbsp. brown sugar, 1 Tbsp. chopped pecans, 1/4 tsp. ground cinnamon, Pinch kosher salt, 1-2 Tbsp. unsalted melted butter, 1/4 tsp. vanilla extract

- Add the topping: Sprinkle evenly over the apples.

- Bake: Place the ramekin on a small sheet pan lined with parchment, just in case any apple goodness bubbles over. Bake for 25-30 minutes Start Timer, or until the apples are tender and bubbling and the topping is lightly golden.
- Cool & serve: Let cool for 5-10 minutes before enjoying with a scoop of vanilla ice cream. Start TimerVanilla Ice Cream

Equipment
Notes
Nutrition Information
Nutritional information is provided as a courtesy and is automatically calculated. It should only be construed as an estimate rather than a guarantee. Ingredients can vary and Kroll’s Korner can’t make any guarantees to the accuracy of this information.
📸 Photography by Angelica Oles
