Ingredients
Method
Preparation
- Preheat your oven to 350°F (175°C).
- In a large bowl, cream the softened butter, brown sugar, and granulated sugar until light and fluffy.
- Add in the egg and vanilla extract, mixing until combined.
- Whisk together the flour, baking powder, baking soda, and salt in another bowl.
- Gradually add the dry ingredients to the butter mixture, combining until just moistened.
- In a medium bowl, combine the blueberries, cornstarch, lemon juice, and granulated sugar. Gently toss to coat.
Assembly and Baking
- Spread half of the cookie dough into a greased 9×13 inch baking dish.
- Layer the blueberry mixture evenly on top, and then crumble the remaining cookie dough over the blueberries.
- Bake for 30-35 minutes until the top is golden and the blueberries are bubbly.
- Allow to cool before cutting into squares.
Notes
Serve with a scoop of vanilla ice cream or whipped cream for an extra treat. Store in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months.