Golden Berry Chantilly Cake - The Local Palate

Ingredients

• Berry Cake Filling
• 2 cups fresh or frozen mixed berries (raspberries, blackberries, blueberries etc.)
• ½ cup Domino® Golden Sugar
• 1 tbsp cornstarch
• 1 tbsp water
• 1 tbsp fresh lemon juice
• 2 tsp lemon zest
• 3 cups cake flour
• 3 cups Domino® Golden Sugar
• 2 ½ tsp baking powder
• 1 tsp salt
• 1 cup unsalted butter, room temperature
• 1 cup pasteurized egg whites from a carton (or about 7 egg whites)
• 1 ½ cups full-fat sour cream, room temperature
• ⅛ cup vegetable oil
• 1 tsp vanilla extract
• 7 large egg whites, room temperature
• 2 cups Domino® Golden Sugar
• 1 ½ cups unsalted butter, room temperature
• ½ cup mascarpone cheese, room temperature
• ½ cup cream cheese, room temperature
• 2 tsp vanilla extract
• ¼ tsp salt
• 1-2 cups fresh berries
• mint springs
• edible flowers