Soft Blueberry White Chocolate Scones

Ingredients

• 1/2 cup sour cream
• 1/4 cup milk
• 1 tsp vanilla extract
• 2 cups (250g) all purpose flour
• 1 cup (100g) almond flour
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 1/3 cup (70g) granulated sugar
• 1/2 cup butter (1 stick), cold cut into cubes
• 1/2 cup white chocolate chips
• 2 cups of blueberries
• 1 egg, for egg wash
• turbinado sugar, for topping