You are here: Home » Recipes » Starbucks Blueberry Oat Bars Copycat Starbucks Blueberry Oat Bars Copycat Recipe by Mary Yogi Yield Skip the early-morning Starbucks rush by baking your own Blueberry-and-Oats breakfast bars. Mary Yogi PrintEmail Be sure to create filling in advance as it must cool before being incorporated. Ingredients 1 cup old fashioned rolled oats1 cup quick-cooking oats1 cup all-purpose flour1 cup packed brown sugar1/2 teaspoon salt1/2 teaspoon baking soda3/4 cup butter, softened 3 cups blueberries (fresh or frozen)1/2 cup sugar1/3 cup orange juice4 teaspoons cornstarch Instructions 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. This recipe originally appeared as Blueberry Oat Bar – Starbucks Inspired on foodlibrarian.com.