Beigli – Christmas Poppy Seed and Walnut Roll Cakes

Ingredients

• 2 tsp sugar, divided
• ½ cup lukewarm milk
• 15 g dried yeast
• 500 g plain flour
• 200 g unsalted butter
• 2 eggs
• 50 g icing sugar
• Pinch of salt
• 1 tsp vanilla extract
• 1 tsp lemon zest
• ½ cup milk
• 100 g icing sugar
• 200 g walnuts, finely ground
• 1 handful walnuts, coarsely chopped
• 2 tbsp raisins
• ½ tsp lemon zest
• ½ tsp orange zest
• Pinch of ground cinnamon
• 2 tbsp apricot jam
• 250 g poppy seeds, ground
• 2 tbsp raisins (optional)
• 1 egg, separated