Austrian Linzer Torte Recipe | The oldest cake in the world

Ingredients

• 2/3 cup blanched almonds (75 g)
• 1/2 cup blanched hazelnuts (75 g)
• 2 cup all-purpose flour (250 g)
• 1 cup butter (225 g)
• 2/3 cup light brown sugar (130 g)
• 1 egg
• 1 tsp cinnamon
• 1/8 tsp cloves
• 1/4 tsp salt
• zest of 1 lemon
• 3/4 cup red currant jam (280 g - can substitute with raspberry jam)
• 1 egg yolk
• thinly sliced almonds (for decoration)