Place flour in a deep bowl, add sugar, salt, mahlab and mix well. Add butter then rub the butter with your fingertips until it resembles fine breadcrumbs.

Gradually add little quantities of water and mix thoroughly until a dough forms. Cover with kitchen cloth and set aside for 1 hour.

To prepare the stuffing, place NESTLÉ® Sweetened Condensed Milk and corn flour in a saucepan. Bring to boil under constant stirring and cook for 3-4 minutes or the sauce thickens slightly. Remove from heat and set aside.

Add the pistachio, rosewater and vanilla powder to the mixture. Stir well and set aside to cool.

Roll the dough into round 3 millimeters thick pastry. Using a medium size cup, cut round pieces of the dough. Place 1 full teaspoon of the pistachio mixture in the center of each piece and seal the edges by twisting them.

Deep-fry the sweet sambousek in 180°C preheated oil for 5-7 minutes or until golden brown. Carefully remove the pistachio sambousek from the oil and immediately dip them in the syrup. Serve cold.