1Pre heat the oven at 150 degrees C. Sift the flour thrice. Roast the pistachios and chop it.
2Grease and Line a 6” aluminium baking tin.
3Cream butter and sugar well. Add lemon zest.
4Add gently beaten eggs.
5Gently fold in flour, guava paste and water.Add a drop or two of pink food colouring.
6Now add the chopped roasted pistachios.
7Transfer it to the prepared cake tin.
8Bake at 150 degrees C,for 35-40 minutes or until done.