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Healthy Blueberry Oat Bars

Cook Time:
40 mins
Prep Time:
5 mins
16 bars


  • 1/2 cup whole-wheat flour
  • 1/2 cup all-purpose flour
  • 1 cup old-fashioned rolled oats
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 teaspoon ground cinnamon
  • 1/2 cup light brown sugar, packed
  • 1 cup whole milk vanilla yogurt
  • 1/4 cup unsalted butter, cut into small pieces
  • 2 cups fresh blueberries
  • 2 tablespoons sugar
  • 1 teaspoon fresh lemon juice
  • 1 teaspoon lemon zest
  • 1 tablespoon cornstarch


Blueberry Oat Bars recipe
Frances Largeman-Roth, RDN

Preheat oven to 350°.


Combine the flours, oats, baking soda, salt, cinnamon and brown sugar in a large bowl. Stir in the yogurt, then mix in the butter with clean hands. The mixture will be thick.


Set aside 3/4 cup of the oat mixture. Place the remaining mixture into an 8-inch square baking pan and spread it evenly to the edges with a spatula.


Combine the berries with the sugar, lemon juice and zest, and cornstarch in a bowl. Pour the blueberry mixture into the baking dish and distribute the reserved topping evenly on top.

Blueberry Oat Bars recipe
Frances Largeman-Roth, RDN

Bake for 40-45 minutes, until the topping is set and the berries are bubbling. Let cool for 20-30 minutes before slicing into 16 squares.

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