Featuring a juicy blueberry filling and a buttery, crumbly brown sugar streusel, there’s much to love about these blueberry pie bars. The filling and streusel come together quickly, and the crust and crumble topping are made from the same mixture, so there’s no need to dirty an additional bowl. They’re easy to make, transport, serve, and freeze!
If you love blueberry crumble pie, but making pie crust from scratch intimidates you, this blueberry pie bar recipe is the answer. You’ll get the same delicious flavors, but with the welcome ease of making a single “dough” that becomes both crust and topping—no finicky pie crust chilling, shaping, or latticing today! Dessert is served. 🙂
These Blueberry Pie Bars Are:
- Quicker than many fruit fillings—no pitting, peeling, or chopping!
- Easier than pie—crust & topping made from the same 1-bowl mixture
- Super flavorful, with a jammy blueberry filling between layers of buttery brown sugar oat crust
- A great make-ahead dessert
- Another egg-free baking recipe
- Easy to transport, slice, serve, and freeze!
Grab Your Blueberry Pie Bars Ingredients
This is everything you need for juicy blueberry bar perfection:
Crust & Topping Made From Same Mixture
Stir everything together until it’s formed large crumbles, with no visibly dry parts. Reserve about 1/3 of this mixture to use as the crumble topping, and press the remaining 2/3 into a 9-inch-square baking pan lined with parchment paper (which makes the bars easy to lift out and slice). I use the same tip when making rice krispie treats and M&M cookie bars, too.
Blueberry Pie Bar Filling
How to Cut Neat Squares
Serving Blueberry Pie Bars
These bars are delicious served cold or room temperature, or warm one up and top with vanilla ice cream for an à la mode experience! You can also top them with whipped cream.
For another easy but delicious alternative to blueberry pie, try my lemony blueberry galette next!
Blueberry Pie Bars Recipe
Description
This is blueberry pie without the hassle of making a homemade pie crust! To prepare these easy blueberry pie bars, layer a buttery brown sugar crust, jammy blueberry filling, and a crumbly oat topping. The crust and crumble topping are made from the same mixture, so there's no need to dirty an additional bowl. Cool completely before cutting.
Ingredients You’ll Need
Instructions
- Preheat oven to 350°F (177°C). Line a 9-inch square baking pan (I love this one and this one) with parchment paper, leaving an overhang on the sides to easily lift the bars out of the pan. Set aside.
- Whisk the flour, 1 cup (85g) oats, brown sugar, baking powder, lemon zest, cinnamon, and salt together in a medium bowl. Add the melted butter and stir until the mixture resembles moist crumbly sand and no dry spots remain. You will have a little more than 3 cups of crust mixture, or about 520g. Press 2/3 of the mixture (about 2 cups/345g—doesn’t have to be exact) into the prepared baking pan. Press it into the pan with your hands, a large spoon or spatula, or the bottom of a measuring cup to form a crust. Bake for 10 minutes, and then remove from the oven to slightly cool.
- Place the blueberries, sugar, cornstarch, and lemon juice in a saucepan over medium heat on the stove and stir gently to combine. Cook and stir for 2–3 minutes until the cornstarch and sugar begin to dissolve and the berries look evenly wet. Remove from heat and stir in the lemon zest.
- Pour/spread the filling over the warm crust. Stir 2 Tablespoons oats into the remaining crumble mixture, then sprinkle it all over the filling, and lightly press it down with the back of a large spoon or flat spatula.
- Bake for about 45–55 minutes, or until the top is lightly browned and the blueberry filling is bubbling around the edges.
- Remove from the oven and allow the bars to cool completely in the pan set on a wire rack. Feel free to cover and refrigerate the cooled bars for up to 1 day before cutting into squares.
- Lift the cooled bars out of the pan using the overhang on the sides and cut into squares.
- Cover and store leftover blueberry pie bars at room temperature for up to 2 days or in the refrigerator for up to 1 week.
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