Step 1

In a microwave safe mug, add the sugar, flour, baking powder, salt and cocoa powder and mix well.

Step 2

Then add the milk, oil and vanilla essence and mix well to combine.

Step 3

Place a piece of semisweet chocolate in the center of the mug and don't push the chocolate down.

Step 4

Place the mug in the microwave immediately.

Step 5

Cook the mug cake in microwave on high for 1.30 - 2 minutes or until the cake rises to the top and set.

Step 6

Remove from the microwave and let it cool for 5 minutes.

Step 7

Sprinkle some powdered sugar on top.

Step 8

Serve warm. You can also serve this with ice cream.