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Soft and buttery Strawberry Oatmeal Crumble Bars with a fresh strawberry filling and an oat crumble topping that doubles as the crust. Quick to prepare and perfect for breakfast, brunch, snacks, or light dessert.

  • Total Time: 2 hours
  • Yield: 9 bars 1x

Ingredients

Scale
  • \u00bd cup unsalted butter, melted
  • 1 cup all-purpose flour
  • \u00be cup old-fashioned oats
  • \u00bd cup granulated sugar
  • \u00bc cup light brown sugar, packed
  • \u00bd teaspoon salt, or to taste
  • 2 cups coarsely chopped fresh strawberries
  • \u00bd cup granulated sugar (\u00bc cup for crust mixture plus \u00bd cup for strawberry layer: \u00bd cup in crust + \u00bd cup in strawberry layer = 1\u00bd cups totalΰ₯€ correction: ingredients give \u00bd cup granulated sugar for crust plus \u00bd cup + \u00bd cup …
  • 2 tablespoons lemon juice
  • 2 teaspoons cornstarch

Instructions

  1. Preheat your oven to 3506F. Line an 8-inch square pan with foil and spray it with cooking spray.
  2. In a large microwave-safe bowl, melt the butter (about 1 minute on high power).
  3. Add flour, oats, granulated sugar, light brown sugar, and salt to the melted butter and stir until combined. The mixture will look dry and sandy with some bigger crumble pieces.
  4. Set aside 1 heaping cup of this mixture for the crumble topping.
  5. Press the remaining mixture firmly into the prepared pan to form an even crust. Set aside.
  6. Toss the chopped strawberries, granulated sugar, lemon juice, and cornstarch gently in the same bowl until just combined.
  7. Spread the strawberry mixture evenly over the crust in the pan.
  8. Sprinkle the reserved crumble topping evenly over the strawberry layer, forming some larger clusters by squeezing handfuls gently before sprinkling.
  9. Bake for about 50 minutes, or until the edges are set, the center is just barely set, the crumble topping is lightly golden, and the strawberry filling is bubbling around the edges. Juicier berries may require extra time.
  10. Place the pan on a wire rack and cool the bars for at least an hour before cutting and serving.

Notes

Use old-fashioned oats for the best texture; avoid quick or instant oats which can dry out the mixture., Press the crust firmly to ensure it holds together when sliced., For juicier berries, increase cornstarch slightly to prevent sogginess., Be gentle when mixing the strawberry filling to avoid mashing the berries., Bars can be stored airtight at room temperature for up to 1 week, refrigerated for 10 days, or frozen for up to 6 months., Reheat bars briefly in a hot oven or toaster oven to freshen up softened crumble topping., You can add lemon zest, cinnamon, or vanilla extract to the filling for extra flavor., Substitute gluten-free flour blends or dairy-free fats as needed for dietary preferences., Double recipe for a 9×13 pan; bake time stays similar, watch for doneness visually.

  • Author: Laura
  • Prep Time: 10 minutes
  • Cook Time: 50 minutes
  • Category: Dessert
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 308 cal
  • Fat: 11 g
  • Carbohydrates: 42 g
  • Protein: 2 g