Brown Sugar Butterscotch Cupcakes - Recipe Tweets

Ingredients

• 1/4 cup unsalted butter
• 3/4 cup packed light or dark brown sugar
• 3/4 cup heavy cream
• 2 teaspoons pure vanilla extract
• 1/2 teaspoon salt
• 1 2/3 cups all-purpose flour
• 1/2 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/2 cup unsalted butter, melted
• 1 large egg, at room temperature
• 1/4 cup plain yogurt or sour cream
• 3/4 cup milk
• 1 cup unsalted butter, softened
• 3 cups confectioners' sugar