"These sour cream blueberry muffins are tender, moist muffins that are bursting with fresh blueberries. Topped with a sweet sugar crumble...."
INGREDIENTS
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2 cups flour plus 1 tablespoon
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3 teaspoons baking powder
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1/2 teaspoon salt
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2 large eggs
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1 cup granulated sugar
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1 teaspoon vanilla
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1/2 cup vegetable oil
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1 cup sour cream
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2 1/4 cups fresh blueberries
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Powdered sugar optional
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3/4 cup flour
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2/3 cup granulated sugar
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4 tablespoons butter melted
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1 teaspoon cinnamon