Walnut Maamoul with Nutella®

Ingredients

• 2 tbsp Nutella
• 1 cup multi-purpose flour
• ½ cup semolina
• 1 tbsp powdered milk
• 1 tbsp icing sugar
• ¼ tsp mahleb
• A pinch of salt
• 100g butter (at room temp.)
• 1 tbsp (or more depending on absorbency of flour) of rosewater