Ingredients

  • 1/3 cup sugar
  • 2 tablespoons flour
  • 4 cups blueberries
  • 2 tablespoons lemon juice
  • Topping
  • 1/2 cup hazelnuts, toasted, cooled and skinned
  • 3/4 cup flour
  • 1/2 cup sugar
  • 1/4 cup packed brown sugar
  • 1/4 teaspoon salt
  • 6 tablespoons cold unsalted butter, cut into pieces

Method

  • Preheat oven to 375°F Butter a shallow, 2-quart baking dish.
  • In a mixing bowl, combine sugar, flour, blueberries and lemon juice; toss together. Transfer to baking dish.
  • In work bowl of a food processor, pulse hazelnuts until coarsely chopped. Remove half of hazelnuts to a mixing bowl. Add flour, sugar, brown sugar and salt to food processor. Pulse to combine. Add butter and pulse until mixture resembles course crumbs.
  • Add mixture to bowl with hazelnuts. Work together with hands until mixture clumps together. Crumble chunks of topping over blueberries.
  • Bake until filling bubbles and topping is golden brown and crisp, about 45-50 minutes.
  • Cool slightly before serving.