If you’ve never tried a Sheet Pan Blueberry Crisp, now’s the perfect time. Baking this classic summer dessert on a sheet pan produces a thinner, more evenly cooked crumble layer—resulting in an exceptionally crunchy topping and a juicy fruit filling. It’s ideal for serving a crowd and pairs beautifully with scoops of vanilla ice cream or whipped cream.
This version is simple, forgiving, and budget-friendly: you can use frozen blueberries right from the bag. The recipe is straightforward—prepare the filling, mix the crumble, assemble on a sheet pan, and bake until golden and bubbling. Below you’ll find key ingredients, helpful notes, the full ingredient list, step-by-step instructions, storage guidance, and serving suggestions.
Sheet Pan Blueberry Crisp – Key Ingredients
- Frozen blueberries: Convenient, economical, and perfect for this recipe. You can use fresh berries when in season.
- Lemon juice: Adds brightness and balances the sweetness of the berries.
- Rolled oats: Also called old-fashioned oats; they give the crumble its hearty crunch.
- All-purpose flour: Helps bind the crumble and creates a golden texture.
- Brown sugar: Adds caramel notes and contributes to the crisp topping’s color and crunch.
- Butter: Essential for a rich, crisp crumble—use softened butter for easy mixing.
Why make this on a sheet pan?
Baking on a sheet pan spreads the crumble thinner, which allows the topping to cook more evenly and become crispier than in a deeper baking dish. It also makes the dessert easy to slice and serve to a group, and it looks impressive when presented straight from the oven.
Can I use fresh blueberries?
Yes—both fresh and frozen blueberries work. Fresh berries will cook a bit faster, so watch the bake time closely. Frozen berries are cheaper and convenient year-round.
What if I don’t have rolled oats?
Quick oats can substitute for rolled oats if needed; they’re simply smaller pieces of the same oat and will still deliver a pleasant texture.
Gluten-free option
To make this gluten-free, swap the all-purpose flour for a gluten-free flour blend, almond flour, or oat flour, and use certified gluten-free rolled oats.
Top tip
Toss the berries in cornstarch before baking. The cornstarch thickens the fruit juices as the crisp bakes, giving you a nice, spoonable sauce rather than a runny filling.
How to store
Refrigerate leftovers in an airtight container for up to 3–4 days. Reheat individually in the microwave or warm a larger portion in the oven until heated through. For longer storage, freeze portions in freezer-safe containers for up to 3 months; thaw before reheating.
Tasty pairings
This crisp is delicious with classic vanilla ice cream or something bright like lemon ice cream. It also pairs well with whipped cream, plain or flavored yogurt, or a chilled fruit-based nice cream for a lighter contrast to the warm filling.
Sheet Pan Blueberry Crisp Recipe
This sheet pan blueberry crisp is an easier, crispier take on the traditional dessert. It makes a generous batch—perfect for gatherings.
Ingredients
For the filling
- 11 cups frozen blueberries (about 48 oz)
- 1 tablespoon vanilla extract
- 2 tablespoons lemon juice
- 1/4 cup corn starch
- 1 teaspoon sea salt
For the crumble
- 2 cups rolled oats
- 1/2 cup all-purpose flour
- 2/3 cup brown sugar
- 1/2 teaspoon sea salt
- 12 tablespoons (1 1/2 sticks) butter, softened
Instructions
- Preheat the oven to 375°F (190°C). Lightly grease a large sheet pan.
- In a large bowl, combine the frozen blueberries, vanilla, lemon juice, cornstarch, and 1 teaspoon sea salt. Toss until the berries are evenly coated. Spread the berry mixture evenly across the prepared sheet pan.
- In a separate medium bowl, mix the rolled oats, flour, brown sugar, 1/2 teaspoon sea salt, and softened butter. Use a wooden spoon or your hands to combine until the mixture forms coarse crumbles and the butter is evenly distributed.
- Scatter the crumble evenly over the berries, covering as much of the surface as possible so the topping browns uniformly.
- Bake at 375°F for about 30 minutes, or until the topping is golden and the berry filling is bubbling around the edges.
- Remove from the oven and let cool for about 10 minutes before serving. Serve warm with ice cream, whipped cream, or yogurt if desired.
Prep time: 15 minutes • Cook time: 30 minutes • Total time: 45 minutes • Servings: 16
Tips & Notes
- Spreading the crumble thinner on a sheet pan promotes even browning and a crispier texture.
- Either fresh or frozen blueberries may be used. Frozen are more economical and convenient.
- If you don’t have rolled oats, quick oats are an acceptable substitute.
- Make it gluten-free by substituting a gluten-free flour and certified gluten-free oats.
- Coating the berries in cornstarch ensures a thicker, spoonable sauce after baking.
Nutrition (per serving, approximate)
Calories: 231 kcal • Carbohydrates: 36 g • Protein: 3 g • Fat: 10 g • Fiber: 4 g • Sugar: 19 g
Nutrition information is an approximation and should be used as a guideline only.