Starbucks Blueberry Oat Bars Copycat

Starbucks Inspired Blueberry Oat Bars
Mary Yogi

Be sure to create filling in advance as it must cool before being incorporated.


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


  1. In saucepan, bring blueberries, sugar and orange juice to boil; reduce heat and simmer until tender, about 10 minutes.
  2. 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.
  3. In a large bowl, stir together oats, flour, brown sugar, salt and baking soda. Add butter to form a crumbly mixture.
  4. 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.
  5. Bake at 350F until light golden, about 40-45 minutes. Let cool completely on rack before cutting. Store in refrigerator.

This recipe originally appeared as Blueberry Oat Bar – Starbucks Inspired on Food Librarian.