One Dough, Three Incredible Cookies - Kookmutsjes

Ingredients

• 375 g butter
• 16 g vanilla sugar
• 250 g powdered sugar
• 0.2 g salt
• 2 eggs
• 850 g flour
• 10 g baking powder
• 3 g cinnamon powder
• 100 g biscoff spread
• 60 g white chocolate
• 4 g blueberry powder
• 150 g white powder
• 1 g blueberry powder
• 30 g pistachios
• 30 g pistachio paste
• 150 g white chocolate
• pistachios
• edible rose petals