Preheat the oven for 10 minutes in 180°C. Grease the tin with butter and flour dust.
Now in a large mixing bowl pour melted butter, sugar , condensed milk and vanilla essense. Beat the mixture very well for about 5 minutes.
Next sive the flour ,baking powder ,baking soda thrice. Pour the dry ingredient into wet mixture and combine. Add little milk if required and invorporate to make a smooth bater.
Now in a mixing bowl stir sliced apple , powdered sugar, cinammon powder and lemon juice. Set aside.
Now pour the batter in prepared tin gently and tap twice. Now slowly place the apple slices one by one to make a pattern.
Now bake the cake for 35 minutes. When its done check with toothpick and allow to cool completely on a wire rack.
Dust some powdered sugar, slice the cake and serve.