INGREDIENTS
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3 spray(s) cooking spray
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6 oz fresh blackberries, or frozen and thawed*
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3/4 cup(s) sugar, granulated
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1 Tbsp lemon zest, finely grated (or more to taste)
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3 Tbsp fresh lemon juice
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2 1/3 cup(s) all-purpose flour
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2 tsp baking powder
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1/4 tsp baking soda
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1/8 tsp table salt
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2 large egg(s)
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1 cup(s) low-fat buttermilk
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2 Tbsp unsalted butter, melted
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1/2 cup(s) powdered sugar
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1 Tbsp water