In a bowl add soft butter and condensed milk and beat well.
Now add baking powder and baking soda ,mix and then add refined flour and water(keep adding little at a time) and beat well.
Add strawberry essence and colour and mix gently.
Arrange paper cups in a muffin tray and fill them 3/4 with the mixture.
Tap the muffin tray gently to level the mixture.
Keep the tray inside the oven in the middle rack
Bake in a preheated oven at 160 degree for 25-30 minutes.
Check with a toothpick,if cooked properly then it comes out clean.
Remove from the oven after 5 minutes.
Let them cool down completely for around 3-4 hours.
Then apply strawberry butter icing and sprinkle coloured sugar sprinklers.
Strawberry butter icing-
Beat butter and sugar well and then add essence and colour ,mix well and apply on the cake with star nozzle .