Caramelized White Chocolate Pistachio Blondies

Ingredients

• 1 1/4 cups High-quality white chocolate, chopped
• 10 tbsp Salted butter
• 1/2 cup Dark brown sugar
• 1/4 cup Granulated sugar
• 1 Large Dakota Layers egg, at room temperature
• 2 tsp Pure vanilla extract
• 1 1/4 cup All purpose flour
• 1/2 tsp Baking Powder
• 1/4 tsp Salt
• 1/2 cup chopped pistachios + more for topping
• 1 tsp Coconut oil