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Easy Chewy Blueberry Oat Breakfast Bars

blueberry oat breakfast bars - featured image

These easy chewy blueberry oat breakfast bars are a quick, wholesome, and delicious grab-and-go snack perfect for busy mornings. They combine toasted oats, fresh or frozen blueberries, and Greek yogurt for a moist, flavorful treat.

Ingredients

Scale
  • 2 cups (180g) rolled oats
  • 1 cup (120g) whole wheat flour (or all-purpose/almond flour for gluten-free)
  • 1 teaspoon baking powder
  • 1/2 teaspoon ground cinnamon (optional)
  • 1/4 teaspoon salt
  • 1/3 cup (80ml) honey or maple syrup
  • 1/2 cup (120g) Greek yogurt (or dairy-free yogurt)
  • 1 large egg (room temperature) or flax egg (1 tbsp ground flaxseed + 3 tbsp water, rested 5 minutes) for vegan
  • 1 teaspoon vanilla extract
  • 1 cup (150g) fresh or frozen blueberries
  • 1/4 cup (30g) chopped nuts or seeds (optional, e.g., walnuts or pumpkin seeds)

Instructions

  1. Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper, leaving some overhang for easy removal.
  2. Toast the rolled oats in a dry skillet over medium heat, stirring frequently for about 5 minutes until nutty and light golden (optional but recommended).
  3. In a large bowl, combine toasted oats, whole wheat flour, baking powder, cinnamon (if using), and salt. Stir to mix evenly.
  4. In a separate bowl, lightly beat the egg. Add honey or maple syrup, Greek yogurt, and vanilla extract. Mix until smooth.
  5. Pour the wet mixture into the dry ingredients and gently fold together with a spatula until just combined. Avoid overmixing.
  6. Fold in the blueberries and nuts/seeds (if using). If using frozen blueberries, toss them lightly in flour before folding in.
  7. Transfer the batter to the prepared pan and spread evenly. Smooth the top gently with the back of a spoon or spatula.
  8. Bake for 25-30 minutes, until edges are golden and a toothpick inserted near the center comes out mostly clean with a few moist crumbs.
  9. Cool completely in the pan on a wire rack for at least 30 minutes to set.
  10. Use the parchment overhang to lift the bars out of the pan. Cut into 9 or 12 squares as preferred and enjoy.

Notes

Toast oats for enhanced nutty flavor. Fold blueberries gently to avoid breaking and color bleeding. Avoid overmixing to keep bars chewy. Start checking for doneness at 25 minutes to prevent overbaking. Bars can be stored at room temperature for 3 days or frozen for up to 3 months. Use flax egg and maple syrup for vegan version. Substitute whole wheat flour with gluten-free blend for gluten-free version.

Nutrition

Keywords: blueberry oat bars, breakfast bars, healthy breakfast, chewy bars, quick breakfast, gluten-free option, vegan option, snack bars