Bursting with sweet blueberry flavor and a hearty oat base, these Blueberry Oatmeal Bars are the ultimate treat for breakfast, dessert, or a midday snack. Made with a buttery oatmeal crust and topped with a luscious blueberry filling that's thickened with cornstarch and a splash of lemon juice, each bar strikes the perfect balance of tart and sweet. The simple prep involves pantry staples like old-fashioned oats and brown sugar, while fresh or frozen blueberries ensure this recipe works year-round. Ready in under an hour, these bars are baked to golden perfection and can be easily sliced into shareable portions, making them a crowd-pleasing favorite. Perfect for potlucks, lunchboxes, or any time you crave a wholesome yet indulgent treat, these homemade blueberry oatmeal bars will quickly become a go-to recipe.
Preheat your oven to 350°F (175°C). Grease a 9x13 inch baking dish, or line it with parchment paper for easy removal.
In a large bowl, combine the rolled oats, flour, brown sugar, baking soda, and salt. Mix until evenly distributed.
Stir in the melted butter and vanilla extract until the mixture resembles coarse crumbs.
Press about two-thirds of the oat mixture firmly and evenly into the bottom of the prepared baking dish to form a crust.
In a medium-sized saucepan over medium heat, combine the blueberries, granulated sugar, cornstarch, and lemon juice. Stir constantly until the mixture thickens and starts to bubble, then remove from heat.
Spread the blueberry mixture evenly over the oat crust in the baking dish.
Sprinkle the remaining oat mixture over the top of the blueberries.
Bake in the preheated oven for 30-40 minutes, or until the top is a golden brown and the blueberry filling is bubbly.
Allow the oatmeal bars to cool completely in the pan on a wire rack before cutting into squares.
Serve and enjoy your homemade blueberry oatmeal bars!
Serving size | 1170.2 grams (1170.2g) |
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Amount per serving | % Daily Value* |
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Calories | 4124 |
Total Fat 206.80g | 265% |
Saturated Fat 123.90g | 620% |
Polyunsaturated Fat 0.00g | |
Cholesterol 517mg | 172% |
Sodium 1875mg | 82% |
Total Carbohydrate 545.50g | 198% |
Dietary Fiber 28.20g | 101% |
Total Sugars 280.80g | |
Protein 43.10g | 86% |
Vitamin D 0IU | 0% |
Calcium 299mg | 23% |
Iron 16mg | 91% |
Potassium 1311mg | 28% |
Source of Calories