Chocolate Hazelnut Tarts

Ingredients

• 1 1/4 cups (160g) all-purpose flour (sifted)
• 1/4 cup (30g) powdered sugar
• 1/2 cup (115g) unsalted butter (cold, cubed)
• 1 large egg yolk
• 1 tbsp cold water
• 1/2 tsp salt
• 3/4 cup (180ml) heavy cream (180ml)
• 150 dark g chocolate (finely chopped)
• 1/2 cup (70g) roasted hazelnuts (finely ground)
• 2 tbsp unsalted butter (room temperature)
• 1 tbsp honey
• 1/2 tsp vanilla extract
• 100 g dark chocolate (chopped)
• 2 tbsp heavy cream
• 1 tbsp hazelnut spread (optional)
• 1/4 cup (30g) chopped hazelnuts (for garnish)