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Gluten-Free Strawberry Oatmeal Crumb Bars Recipe

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4.2 from 13 reviews

These Gluten-Free Strawberry Oatmeal Crumb Bars combine a buttery oat crust with a homemade sweet and tangy strawberry jam filling, all topped with a golden crumbly oat topping. Perfect as a wholesome snack or dessert, these bars are naturally gluten-free and boast fresh strawberry flavor enhanced by lemon and maple syrup.

Ingredients

Crust and Topping

  • 1 1/2 cups gluten-free rolled oats
  • 1 cup almond flour
  • 2/3 cup dark brown sugar
  • 1/2 cup unsalted butter, diced

Strawberry Filling

  • 3 cups chopped strawberries
  • 1/4 cup maple syrup
  • 1 teaspoon vanilla extract
  • Juice and zest of one lemon
  • 1 tablespoon arrowroot or cornstarch

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C) to prepare for baking the crust and bars.
  2. Make Crumb Mixture: In a mixing bowl, combine the oats, almond flour, brown sugar, and diced butter. Use your hands to thoroughly mix and work the butter into the dry ingredients until the mixture resembles a dough with a crumbly texture.
  3. Form and Bake Crust: Press about two-thirds of the crumb mixture firmly into an 8×8 inch pan lined with parchment paper, creating an even base layer. Bake this crust for 15 minutes, then remove it from the oven and set aside to cool slightly.
  4. Cook Strawberry Filling: In a medium saucepan or skillet over medium-high heat, combine the chopped strawberries, maple syrup, vanilla extract, and lemon zest. Bring the mixture to a boil, then allow it to cook for 10-12 minutes until the strawberries break down and the mixture darkens in color.
  5. Thicken Filling: In a separate small bowl, whisk together the lemon juice and arrowroot or cornstarch to create a slurry. Stir this slurry into the hot strawberry mixture and cook briefly until it thickens to a jam-like consistency. Remove from heat.
  6. Assemble Bars: Pour the thickened strawberry jam evenly over the baked crust in the pan. Use a spatula to spread it out smoothly, then sprinkle the remaining third of the crumb mixture evenly over the top.
  7. Bake Bars: Return the pan to the oven and bake at 350°F for 25-30 minutes until the jam is bubbly around the edges and the crumb topping is golden brown.
  8. Cool and Serve: Allow the bars to cool completely in the pan. Once cool, slice into 12 squares and serve.

Notes

  • Ensure the butter is cold when mixing into the crumb mixture to achieve a better crumb texture.
  • Use fresh ripe strawberries for the best flavor; frozen can be substituted but may produce more liquid.
  • If arrowroot or cornstarch is unavailable, you may use tapioca starch as a thickening alternative.
  • Bars can be stored in an airtight container in the refrigerator for up to 5 days.
  • For easier slicing, chill bars before cutting.