In a pot, add the milk powder, the flour and the crushed mastic then mix everything very well
Add the water, and stir your mixture, on medium heat, until it starts to boil and until it thickens
Add the orange blossom water and the rose water, stir for about 1 min and turn of the heat
Add the newly obtained Ashta to the pie crust
When the Ashta pie cools down to room temperature, put it in the fridge for about at least 2 hours
Before serving your Ashta pie decorate it with strawberries, pistachios and honey