Step 1: 1. Mix sugar, butter,vanilla and eggs together with a hand mixer till the dough is creamy.
Step 2: 2. Now add flour, cacao, bicarbonate and baking soda and mix again.
Step 3: 3. Take two tablespoons or hands and make small balls.
Step 4: 4. Cut the chocolate in really small pieces and put it on top of the balls.
Step 5: 5. Put them on a baking tray. ( leave 5cm space between the cookie balls)
Step 6: 6. Now put it in the 180°C pre- heated oven and bake for 15 min.
Step 8: Do not over bake them. They have to be really soft when they come out. Let them cool down for five minutes. Now you can enjoy your cookies.