- 3 cup fresh blueberries
- 2 tablespoon sugar
- zest and juice of 1 lemon
- 3/4 cup all-purpose flour
- 1 cup packed light brown sugar
- 1 1/2 cup rolled oats
- 6 tablespoon salted butter, softened
- Preheat the oven to 375 degrees.
- Toss the blueberries, sugar, lemon zest, and juice together in a bowl. Pour into a 9-inch square baking dish. In the bowl of a food processor, combine the flour, brown sugar, oats, and butter and pulse until the mixture resembles crumbs. Spread this over the berries. Bake until golden on top, 40-45 minutes.