The blackberries I used for this recipe were picked by my husband and me last summer near our house. We have a ton of them in our freezer; so anytime I can, I use them in a recipe. This one is actually a raspberry recipe that I found on either Goop’s website or “What Katie Ate”, both great resources for delicious food. I suspect it is from Goop, though. It’s on a piece of paper I printed from either website. I just don’t remember which.

Also, even though I baked these longer than was called for, I still don’t think they got as done and crispy as they are supposed to be. But they are very delicious.

Crust & Crumb

1 1/2 cups all purpose flour
1 cup dark brown sugar
1 1/4 cups rolled oats
3/4 teaspoon salt
3/4 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon cinnamon
1 1/2 sticks unsalted butter, cut into pieces

Filling

1/4 cup dark brown sugar
1 tablespoon lemon zest
1/2 teaspoon cinnamon
2 tablespoons all purpose flour
1 pound fresh or frozen blackberries or raspberries
1/4 cup lemon juice
2 tablespoons unsalted butter, melted and cooled

Preheat oven to 350 degrees F. Grease bottom and sides of a 9×13-inch baking pan and set aside. Combine flour, brown sugar, oats, salt, baking powder, baking soda and cinnamon in a food processor and pulse until just combined. Add butter and pulse until loose crumbs form. Reserve 1 cup of the mixture and set aside.

Pour the rest of the mixture into the prepared pan and use your hands to push the crust into an even layer in the bottom of the pan. Bake until golden brown – about 12 to 15 minutes. Transfer pan to a wire rack and cool.

In a medium bowl, whisk sugar, lemon zest, cinnamon and flour together. Add the blackberries or raspberries, lemon juice and melted butter and toss gently until the berries are evenly coated. Spread the berry filling evenly on top of the cooled crust. Top with the reserved cup of crumble mixture and bake for 35-40 minutes, or until top is golden brown. Let cool completely before cutting into squares.