– 1 1/2 cups all-purpose flour – 3/4 cup unsweetened cocoa powder – 1 1/2 teaspoons baking powder – 1/2 teaspoon baking soda – 1/2 teaspoon salt – 1 cup granulated sugar – 1/2 cup vegetable oil – 2 large egg – 1 teaspoon vanilla extract – 1 cup buttermilk – 1 1/2 cups fresh blueberries, washed and dried
Heat the oven to 350°F (175°C). Grease and flour a 9-inch round cake pan. Sift flour, cocoa powder, baking powder, baking soda, and salt in a medium basin. Set aside. Sugar, vegetable oil, eggs, and vanilla essence should be properly mixed in a big bowl.