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Preheat oven to 350F degrees. Place cupcake liners in a muffin pan and s aside.
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Place blueberries in a food processor or blender. Pulse until blueberries are chopped into small bits but before they become pureed.
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In a medium bowl, mix together flour, baking powder, baking soda, and salt. Set aside.
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In a large microwave-safe bowl, melt butter in the microwave.
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Stir in sugar and mix.
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Add the egg, yogurt, milk, and vanilla extract until combined.
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Pour dry ingredients into the wet ingredients and mix slowly until there are no lumps. Fold in the blueberries.
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Divide batter among 12 cupcake liners and bake for 20 minutes or until a toothpick inserted in the center comes out clean. Allow to cool completely before frosting.