Gluten-free Nut Corners (German Nussecken)

Ingredients

• 300 g gluten-free all-purpose flour, (e.g. Schär Mix B Bread)
• 1 tsp xanthan gum
• 1 tsp psyllium husk powder
• 1 tsp baking powder
• 130 g sugar
• 1 sachet vanilla sugar, (8 g)
• 2 eggs
• 150 g soft butter, (optionally lactose-free)
• 200 g butter, (optionally lactose-free)
• 200 g brown cane sugar
• 5 tbsp water
• 200 g almonds, hazelnuts or walnuts, ground
• 200 g hazelnuts, chopped and roasted (alternatively almonds)
• 6 tbsp jam, apricot, cherry, raspberry
• chocolate glaze, dark (optionally lactose-free)