In a clean and dry bowl beat your eggs and whisk them till they form a stiff foam

Add sugar to the foam in step 1 and continue beating using a hand mixer till you get a Brown mixture.

Add orange zest,orange juice,vanilla essence and continue beating for 2 more minutes.

Melt your batter and milk. you can use a heat resistant bowl in a microwave. I dipped my bowl in hot water.

Decorate as you desire

Sift flour and baking powder and fold in to your mixture at step 3.pre heat your oven at 180.

Add the mixture at step 4 to your batter and whisk quickly.

Prepare your baking tin,by applying butter.pour you batter into the baking tin..bake for 30 to 45 mins.