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Starbucks Blueberry Oat Bars Copycat


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Rate this recipe 4.1/5 (60 Votes)


  • 1 cup old fashioned rolled oats
  • 1 cup quick-cooking oats
  • 1 cup all-purpose flour
  • 1 cup packed brown sugar
  • 1/2 teaspoon salt
  • 1/2 teaspoon baking soda
  • 3/4 cup butter, softened
  • 3 cups blueberries (fresh or frozen)
  • 1/2 cup sugar
  • 1/3 cup orange juice
  • 4 teaspoons cornstarch


Adapted from


Step 1

In saucepan, bring blueberries, sugar and orange juice to boil; reduce heat and simmer until tender, about 10 minutes.
Whisk in cornstarch and boil, stirring, until thickened, about 1 minute. Pour into a bowl. Place plastic wrap directly on surface. Refrigerate until cooled and bearing a consistency similar to that of a jam, about 1 hour or up to 1 day before using.
In a large bowl, stir together oats, flour, brown sugar, salt and baking soda. Add butter to form a crumbly mixture.
Reserve 1 1/2 cups of crumbs; pat remaining dough evenly into the bottom of a greased 9 x 13 inch pan. Spread blueberry mixture over the base. Crumble reserved amount of the base/topping over the blueberry mixture.
Bake at 350F until light golden, about 40-45 minutes. Let cool completely on rack before cutting. Store in refrigerator.


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