Raspberry Turnovers

Ingredients

• 1 sheet fresh puff pastry (or use prepared puff pastry)
• 1/3 cup sugar to roll out puff pastry, plus sugar to sweeten berries if needed (divided)
• 4 ounces fresh raspberries
• ½ tsp flour, to coat berries
• 2 Tbsp good-quality raspberry preserves
• 4 fresh mint sprigs
• 1 large egg yolk
• 2 Tbsp heavy whipping cream
• 1 Tbsp sugar mixed with ½ tsp ground cinnamon