Lemon Zested Blueberry Crumb Bars
Crumbs:
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1 cup (200 grams) granulated sugar
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1 tsp baking powder
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3 cups (390 grams) all-purpose flour
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¼ tsp salt
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Zest of one lemon
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1 cup (8 ounces or 225 grams) cold unsalted butter, cut into chunks
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1 large egg
Berries:
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Juice of 1 lemon
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½ cup (100 grams) granulated sugar
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4 tsp cornstarch
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4 cups fresh blueberries
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Preheat the oven to 375° F and grease a 9×13 inch pan.
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In a medium bowl, stir together 1 cup sugar, 3 cups flour, baking powder, salt, and lemon zest. Use a fork or pastry cutter to blend in the butter and egg. Dough will be crumbly. Pat half of the dough into the prepared pan.
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In another bowl, stir together the sugar, cornstarch and lemon juice. Gently mix in the blueberries. Sprinkle the blueberry mixture evenly over the crust. Crumble remaining dough over the berry layer.
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Bake in preheated oven for 45 minutes or until top is slightly brown. (This took an extra 10 to 15 minutes in my oven.) Cool completely before cutting into squares.