Sour Cream Blueberry Muffins

Yield: 1 Servings
Categories:
1Stick butter; softened
3/4cSugar
2lgEggs
1 1/2tsVanilla
3/4cSour cream
2cFlour
1/4tsBaking soda
1/2tsSalt
2cBlueberries; fresh or frozen
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