Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and line an 8x8-inch baking dish with parchment paper.
- In a medium bowl, combine all-purpose flour, rolled oats, brown sugar, salt, and baking powder.
- In another bowl, whisk together melted unsalted butter and vanilla extract until smooth.
- Pour the butter mixture into the dry ingredients and stir until a crumbly dough forms.
- Press about two-thirds of the dough into the bottom of the prepared baking dish.
- In a mixing bowl, combine fresh blackberries, granulated sugar, and lemon juice, tossing gently.
- Spread the blackberry mixture over the crust evenly.
- Sprinkle the remaining dough over the blackberries, then add chopped pistachios evenly on top.
- Bake for 30-35 minutes until golden brown and filling bubbles slightly.
- Remove from oven and cool for about 1 hour before slicing into squares.
- Dust with powdered sugar if desired and serve.
Nutrition
Notes
Using fresh blackberries guarantees the best flavor. For cleaner slices, dip your knife in warm water before cutting.
