Ingredient:

• 1 cup all-purpose flour
• 1/2 cup baking cocoa
• 2 tablespoons sugar
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1-1/4 cups buttermilk
• 2 large eggs, room temperature
• 1/4 cup butter, melted
• 1 teaspoon vanilla extract
• 1/2 cup semisweet chocolate chips
• Whipped cream and chocolate syrup, for serving