Dark Chocolate Avocado Cake

CAKE

• 3 cups all-purpose flour
• 5 tablespoons dark chocolate cocoa powder
• 2 teaspoons baking powder
• 2 teaspoons baking soda
• 1/2 teaspoon kosher salt
• 1/4 cup canola oil
• 1 ripe avocado, mashed until smooth
• 2 cups water
• 2 tablespoons white vinegar
• 2 teaspoons vanilla extract
• 2 cups sugar