"These Best Blueberry Muffins are moist, fluffy, and bursting with blueberries—ready in under 30 minutes with simple ingredients!..."
INGREDIENTS
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2/3 cup white sugar
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1 large egg
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1/2 cup vegetable oil
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1/3 cup milk
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1 teaspoon vanilla extract
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1 1/4 cups all-purpose flour
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1 teaspoon baking powder
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1/4 teaspoon salt
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1/2 cup sour cream (or yogurt)
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1 cup blueberries (fresh or frozen)
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1 tablespoon white sugar, for topping (optional)