Cocoa and chocolate cake

It's a classical cocoa ring shaped cake, but I prefer cakes without the central hole...

Ingredients

• Flour 450g / 16 oz
  
• Bitter cacoa 50g / 2 oz
  
• Sugar 200g / 7 oz
  
• Baking powder 16g / 0.5 oz
  
• Salt
• Large eggs 2
• Vegetable oil 100ml (melted butter 100g / 3.5 oz)
  
• Milk 200ml
• Dark chocolate 100g / 3.5 oz
  

Cooking

• Round cake pan with 26-28 cm/ 10-11 inc diameter
• Oven 180°C / 350F, static, central/bottom level
• 40 minutes

Procedure

• Mix powders (flour, sugar, cocoa, salt, baking powder)
• Add the oil/melted butter
  
• Add eggs
  
• Add the milk
• Cut the dark chocolate (not too little pieces) and join it to the mix
• Mix wery well
  
• Place into pan and bake

Italian version of this recipe