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Healthy Blueberry Oat Bars
Blueberry Oat Bars recipe
Frances Largeman-Roth, RDN
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(43 rated)
Cook time:
Prep time:
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

1. Preheat oven to 350°.

2. 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.

3. 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.

4. 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

5. 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.