Ingredients
2 cups fresh blueberries
2 cups all-purpose flour, divided
1 cup sugar, plus 1 tablespoon
1 large egg, room temperature
½ cup buttermilk
½ cup (1 stick) unsalted butter, softened
2 tablespoons lemon zest
2 teaspoons baking powder
1 ½ teaspoons vanilla extract
1 teaspoon salt
½ teaspoon cinnamon (optional)
Instructions
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