Strawberry Cake

Ingredients (10)

• 6 tablespoons unsalted butter
• 1 1/2 cups all-purpose flour
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon salt
• 1 cup granulated sugar
• 1 large egg
• 1/2 cup buttermilk
• 1 teaspoon pure vanilla extract
• 1 pound strawberries
• 2 tablespoons turbinado sugar