Buttermilk Cake with Blackberries Recipe - (4.7/5)

Ingredients

• 4 tablespoons unsalted butter, softened, plus more for greasing
• 1 cup all-purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 2/3 cup plus 1 1/2 tablespoons sugar
• 1 large egg, at room temperature
• 1 teaspoon pure vanilla extract
• 1/2 cup buttermilk, at room temperature
• 1 1/4 cups blackberries, plus more for serving
• Sweetened whipped cream, for serving