INGREDIENTS
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3 cups unbleached all-purpose flour
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1 tablespoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon table salt
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10 tablespoons unsalted butter softened
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1 cup granulated sugar, less 1 tablespoon
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1 teaspoon grated lemon zest
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2 large eggs
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1 1/2 cups plain low-fat yogurt
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1 1/2 cups fresh blueberries (or frozen)
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1 tablespoon unbleached all-purpose flour
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Vegetable cooking spray or additional unsalted butter for muffin tins