In a mixing bowl add melted butter, sugar , condensed milk , strawberry jelly (1 cup), vanilla essence and whisk very well.
In another bowl sieve flour, baking powder and baking soda thrice.
Pour the dry ingredient into wet mixture laddle by laddle and combine. Add milk if required to make a smooth bater.
Now preheat the pan for 10 minutes with lid on and grease the tin. Now pour the batter and tap twice.
Next bake the cake for 45 minutes and check with toothpick after its done.
Demould the cake and allow it to cool completely. Cut the two layers of the cake.
Now assemble the cake by applying sugar syrup on the one layer then spread whipped cream evenly.
Place another layer of cake and now start giving the design of angry bird.
Apply red strawberry gel on the 3/4th part. Next spread whipped cream on the left portion and on the walls of cake.
Now divide the whipped cream into three parts and add black, green and yellow color and mix.
Make three piping bags and make eye details, beak , tail of birds.
Now spread some sprinkle and make design on the corners of cake.
Chill the cake for 30 minutes and then slice the cake and serve.