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This Mini Blueberry Crisp is a simple dessert featuring juicy, lightly sweetened blueberries baked under a golden, buttery oat topping. The fruit softens and bubbles as it bakes, while the crisp topping adds a satisfying crunch. This easy recipe is a great way to enjoy a classic fruit crisp in a perfectly portioned size.

a blueberry crumble in a rectangular baking dish next to a bowl of blueberries.

Looking for more small batch blueberry recipes? Try our Blueberry Cake, Blueberry Cobbler, Blueberry Pie, or no-bake Icebox Cake—all perfectly sized for one or two!

Why You’ll Love This Recipe

  • Perfectly Portioned: Just the right size for one or two, with no waste.
  • Quick & Easy: Simple ingredients and minimal prep for a fast dessert.
  • Easily Adaptable: Swap the blueberries for other fruits to change it up.
  • Great Texture & Flavor: Juicy fruit and a crisp, buttery topping make every bite satisfying.

RELATED: Apple Recipes For One

a small bowl of blueberry crumble topped with whipped cream next to a larger dish of the crumble.

This small batch blueberry crisp is one of those desserts that feels special without any fuss. Sweet, juicy blueberries bake under a golden oat topping, creating the perfect contrast of warm fruit and crisp texture. It’s the kind of treat I love making when I want something homemade but don’t feel like spending a lot of time in the kitchen. Whether you enjoy it straight from the dish or topped with a scoop of ice cream, it’s simple, satisfying, and made with ingredients you likely already have.

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Ingredients

ingredients in blueberry crumble on a wooden cutting board.

If you have any ingredients leftover from this small blueberry crisp recipe, check out our Leftover Ingredients Recipe Finder.

  • Blueberries: Fresh blueberries work best, but frozen blueberries are a great substitute. Just thaw and drain them before using. Have extra blueberries? Use them in Blueberry Coffee Cake, Baked Oatmeal, or a Green Smoothie.
  • Sugars: Granulated sugar sweetens the filling, while a mix of granulated and brown sugar in the topping adds depth and a hint of caramel-like richness.
  • Flour: All-purpose flour provides structure.
  • Lemon juice: Fresh or bottled lemon juice brightens the blueberries and balances the sweetness. Use any extra in a Lemon Cake.
  • Butter: Softened butter (cool to the touch) is key for a crumbly, crisp topping.
  • Oats: Old-fashioned oats (rolled oats) create the best crisp texture. Leftover oats? Use them in Oatmeal Cookies.
  • Salt and Vanilla extract: These simple ingredients enhance the overall flavor.
  • Vanilla ice cream or whipped cream: Optional, but they bring a creamy balance to the warm fruit and crunchy topping.

Recipe Variations

Want to change things up? Try these simple swaps to put a new spin on your blueberry crisp:

  • Mixed Berry Crisp: Swap some or all of the blueberries for raspberries, strawberries, or blackberries for a sweet-tart twist.
  • Peach Blueberry Crisp: Replace half of the blueberries with sliced peaches for a mix of juicy, bright flavors.
  • Nutty Topping: Stir 1 tablespoon of chopped almonds, pecans, or walnuts into the topping for extra crunch.

How To Make A Blueberry Crisp

These step-by-step photos and instructions help you visualize how to make this mini blueberry crisp. See the recipe box below for ingredient amounts and full recipe instructions.

  1. Preheat the oven to 375°F (190°C).
  1. Prepare the filling: In a small bowl, toss the blueberries with sugar, flour, lemon juice, and salt. Transfer to a 4×5-inch or 5×5-inch baking dish.
blueberries mixed with flour, sugar, and lemon juice in a mixing bowl.
  1. Make the topping: In another small bowl, mix the flour, oats, brown sugar, and vanilla. Cut in the butter with a fork until the mixture is well combined and crumbly.
  2. Assemble: Sprinkle the topping evenly over the blueberries.
streusel topping for a fruit crumble in a mixing bowl.
  1. Bake: Place the dish in the oven and bake for 25-30 minutes, until the filling is bubbly and the topping is golden brown.
  2. Cool and serve: Let the crisp cool for 10 minutes before serving.
a hot, bubbly blueberry crumble in a small baking dish.

Expert Tips

  • Use Fresh Blueberries: Fresh berries give the best flavor, but thawed and drained frozen ones work too.
  • Check for Doneness: The edges should be bubbling, and the topping should be golden brown.
  • Adjust the Sugar: Taste your blueberries first—if they’re tart, add a little more sugar; if they’re sweet, use less.
blueberry crumble in a small bowl with a spoon on the side.

Serving Suggestions

Take your mini blueberry crisp to the next level with these simple additions:

  • Vanilla Ice Cream: Melts beautifully into the warm crisp.
  • Whipped Cream: A lighter option that adds a touch of sweetness.
  • Yogurt Parfait: Layer with Greek yogurt for a delicious breakfast twist.

Frequently Asked Questions

Can I make a blueberry crisp ahead of time?

Yes! Assemble the crisp, cover, and refrigerate for up to 12 hours before baking. Let it sit at room temperature for 10-15 minutes before baking.

How do I store leftovers?

Cover and refrigerate for up to 3 days. Reheat in the oven at 350°F for 10 minutes or microwave in short intervals.

Can I double this recipe?

Yes, double the ingredients and use a 6×8 inch baking dish.

More Single Serving Fruit Desserts

Ways To Use Leftover Ingredients

If you have any ingredients leftover from this recipe, check out our Leftover Ingredients Recipe Finder or you might like to consider using them in any of these single serving and small batch recipes:

RELATED: The Best Cookie Recipes For One

If you’ve tried this mini blueberry crisp or any recipe on One Dish Kitchen please let me know how you liked it by rating the recipe and telling me about it in the comment section below.

If you take a picture please tag us on Instagram (@onedishkitchen) we’d love to see it!

RELATED: The Best Cookie Recipes For One


Cooking For One Made Easy
Because you’re worth it

Mini Blueberry Crisp

4.80 from 39 votes
Prep: 10 minutes
Cook: 25 minutes
Cool: 10 minutes
Total: 45 minutes
Servings: 2 servings
This Mini Blueberry Crisp is a simple, single serving dessert made with juicy blueberries and a buttery oat topping. Baked until golden and bubbly, it's perfect on its own or with a scoop of vanilla ice cream.

Equipment

  • 5-inch baking dish or use a 4×6-inch, 6×6-inch (yields a thinner filling with less topping and may bake faster), or 6-inch round baking dish.

Ingredients 
 

  • 6 ounces blueberries (about ½ pint)
  • 3 tablespoons sugar (taste the berries and add more sugar if needed)
  • 1 tablespoon all purpose flour
  • 1 tablespoon lemon juice
  • teaspoon salt

Make the Crumble Topping

  • 6 tablespoons all purpose flour
  • ¼ cup old fashioned oats
  • ¼ cup brown sugar
  • ¼ teaspoon vanilla extract
  • 4 tablespoons salted butter -softened
  • Optional topping: vanilla ice cream or whipped cream
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Instructions 

  • Preheat the oven to 375°F (190°C).
  • Prepare the filling: In a small bowl, toss the blueberries with sugar, flour, lemon juice, and salt. Transfer to a 4×5-inch or 5×5-inch baking dish.
  • Make the topping: In another small bowl, mix the flour, oats, brown sugar, and vanilla. Cut in the butter with a fork until the mixture is well combined and crumbly.
  • Assemble: Sprinkle the topping evenly over the blueberries.
  • Bake: Place the dish in the oven and bake for 25-30 minutes, until the filling is bubbly and the topping is golden brown.
  • Cool and serve: Let the crisp cool for 10 minutes before serving.

Notes

    • Use Fresh Blueberries: Fresh berries give the best flavor, but thawed and drained frozen ones work too.
    • Check for Doneness: The edges should be bubbling, and the topping should be golden brown.
    • Adjust the Sugar: Taste your blueberries first—if they’re tart, add a little more sugar; if they’re sweet, use less.
 
 
If doubling this recipe, use a 6×8 inch baking dish.

Nutrition

Serving: 1serving, Calories: 541kcal, Carbohydrates: 85g, Protein: 5g, Fat: 24g, Saturated Fat: 15g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 6g, Trans Fat: 1g, Cholesterol: 60mg, Sodium: 334mg, Potassium: 182mg, Fiber: 4g, Sugar: 49g, Vitamin A: 746IU, Vitamin C: 11mg, Calcium: 45mg, Iron: 2mg

The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.

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Welcome!

Iโ€™m Joanie, chef, author of The Ultimate Cooking for One Cookbook, and creator of One Dish Kitchen. With 10+ years of experience developing single serving and small batch recipes, Iโ€™m passionate about making cooking for one simple and enjoyable. So glad youโ€™re here!

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4.80 from 39 votes (17 ratings without comment)

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Recipe Rating




82 Comments

  1. Becca says:

    Have you got a receipe for a BROWNIE for one????I need one!!!!thanks lo

  2. Becca says:

    Making this tommorrow.sounds SO good.i can’t wait.thanks for all the great the great receipes๐Ÿ˜€๐Ÿ˜๐Ÿ˜€

    1. Joanie Zisk says:

      Awesome, Becca. Hope you loved the recipe!

  3. Sarah says:

    Yeeesss! I love crumble but always get myself in trouble making a whole dish. Making this ASAP!

  4. Mel says:

    Just made this with my 3 yo. Quick, EASY and YUM!

  5. Angie says:

    Oh my goodness, that looks AMAZING. Seriously, so good. ๐Ÿ™‚

    1. Joanie says:

      Thanks so much, Angie!

  6. Michelle says:

    I love that this recipe is made for one!

  7. Laura says:

    This is dangerously easy to make! It’s fun when life gives you easy inspiration for dessert. ๐Ÿ˜‰

  8. Katerina says:

    I loooove this crumble so much, but I think I love the 1 serving size even more!! Portion control is my jam! ๐Ÿ˜€

  9. Dee says:

    I love crumbles, and this one looks perfect! ๐Ÿ™‚

  10. Krista says:

    Good thing this is for one cause I would eat it by myself!