- 1/2 cup unsalted butter, softened
- 1/2 cup brown sugar
- 5 tablespoons white sugar
- 1 egg
- 1 teaspoon vanilla extract
- 1 cup all-purpose flour
- 1 teaspoon ground cinnamon
- 1/4 teaspoon baking soda
- 1/4 teaspoon baking powder
- 1/4 teaspoon salt
- 3/4 cup old-fashioned rolled oats
- 1/2 cup dried blueberries
- Preheat oven to 350 degrees F (175 degrees C). Line 2 baking sheets with parchment paper.
- Beat butter, brown sugar, and white sugar together with an electric mixer in a bowl until creamy and smooth, about 2 minutes. Add egg and vanilla extract; mix until incorporated.
- Whisk flour, cinnamon, baking soda, baking powder, and salt in a separate bowl; mix into butter mixture until just combined. Fold in oats and blueberries.
- Spoon dough, about 1 tablespoon per cookie, onto the prepared baking sheets about 2 inches apart.
- Bake 1 sheet at a time in the preheated oven until cookies are golden brown, about 12 minutes. Transfer to a wire rack to cool completely.