Mini Blueberry Crumble made with a handful of blueberries and a crisp oat topping. A wonderful single serving dessert! Quick, easy, and so delicious!

A Blueberry Crumble is similar to Blueberry Cobbler. A Blueberry Cobbler is topped with dollops of batter or biscuit dough while a Blueberry Crumble is topped with streusel crumb topping.
RELATED: Apple Recipes For One
How To Make Blueberry Crumble
See recipe box below for full recipe instructions.
Ingredients In Blueberry Crumble Filling
- 6 ounces blueberries (about 1/2 pint)
- 3 to 4 tablespoons sugar (depending on the sweetness of the blueberries)
- 1 tablespoon all purpose flour
- 1 tablespoon lemon juice
- 1/8 teaspoon kosher salt
Ingredients In Blueberry Crumble Topping
- 6 tablespoons all purpose flour
- 1/4 cup oats
- 1/4 cup brown sugar
- 1/4 teaspoon vanilla extract
- 4 tablespoons butter, softened
- Vanilla ice cream or whipped cream (optional)
Instructions
- Take a half a pint of blueberries (roughly 6 ounces) and gently mix in a little sugar, flour, lemon juice, and a pinch of salt.
- Spoon the sweetened blueberries into a small baking dish then mix together the ingredients for the crumble topping.
- Bake the blueberry crumble in the oven for about 25 minutes. The mini dessert is perfect for one or maybe even two people.

Ways To Use Leftover Ingredients
If you have any ingredients left over from this blueberry crumble recipe, you might like to consider using them in any of these single serving and small batch recipes:
- Blueberries: Blueberry Muffin, Refrigerator Jam, Berry Filled Dutch Baby, Blueberry Cobbler
- Lemon juice: Lemon Blueberry Muffin, Lemon Bars, Lemon and Garlic Chicken
- Oats: Baked Oatmeal, Oatmeal Cookies, Orange Oatmeal Cake
For this crumble recipe, I use a 5-inch dish or a ramekin that holds around one cup. For best results, use a dish of similar size.
If you would like additional information on the dishes I use in our “recipes for one”, please visit our FAQ page.
For examples of the dishes used at One Dish Kitchen, please visit our Store page.
Enjoy!
Other Fruit Filled Desserts
RELATED: The Best Cookie Recipes For One

Ingredients
- 6 ounces blueberries (about 1/2 pint)
- 3 to 4 tablespoons sugar (depending on the sweetness of the blueberries)
- 1 tablespoon all purpose flour
- 1 tablespoon lemon juice
- ⅛ teaspoon kosher salt
TOPPING
- 6 tablespoons all purpose flour
- ¼ cup old fashioned oats
- ¼ cup brown sugar
- ¼ teaspoon vanilla extract
- 4 tablespoons salted butter , softened
- Vanilla ice cream or whipped cream (optional)
Instructions
- Preheat oven to 375 degrees F (190 degrees C).
- Toss the blueberries with the sugar, flour, lemon juice, and salt. Transfer the berries to a small baking dish.
- In a small bowl, stir together the flour, oats, brown sugar and vanilla. Blend in the butter using a fork and mix until well combined.
- Scatter the topping over the berries.
- Bake the blueberry crumble until the filling is bubbling and the topping is golden, about 25-30 minutes.
- Top with vanilla ice cream or whipped cream, if desired.
Nutrition
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.
I just made this blueberry crumble, and it was amazing. I followed the recipe exactly as written, do Please do NOT substitute butter ! Listen to Joanie, she has perfected these one dish servings.
It was perfectly balanced, not to sweet , right amount of crumbs to berries and delicious crispy top. By the way I just purchased the mini Breville oven for my 16 year old daughter . And that is what I used to bake this in, came out great. Next is the oatmeal cookies.