Crust
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Preheat oven to 350°. Lightly grease an 8″x 8″baking pan. Set aside. Combine flour, brown sugar, and salt in a food processor. Add butter and pulse until mixture resembles cornmeal. Add egg. Process just until dough comes together in a ball. Spread dough into bottom of prepared pan. Bake for 15 to 18 minutes, until light golden brown. Set pan on wire rack to cool. |
Filling
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Spread raspberry preserves on top of cooled crust. Using a food processor, pulse hazelnuts and sugar to a cornmeal consistency. Add butter and eggs, and process until creamy. (May be refrigerated until ready to use.) Spread over preserves. Set aside. |
Topping
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Combine flour, brown sugar, and butter using a hand mixer at medium speed. Mix until mixture begins to pull together. Sprinkle over filling. Bake at 350° for 25 to 30 minutes.* Let cool completely before cutting into squares. |
*The bars won’t necessarily look “done.” Look for some browning on the top and around the edges. Giving the pan a little shake, too. If it still jiggles a good bit, give it a few more minutes. As they cool, they will set. I am a notorious “underbaker,” and I let these bake the entire 30 minutes. In retrospect, a couple more minutes might have helped.