Black Forest Mousse Cake

Ingredients

• 1 cup all-purpose flour
• 1/2 cup granulated sugar
• 1/3 cup unsweetened cocoa
• 1/4 tsp salt
• 5 large egg whites
• 1 tsp vanilla extract
• 1 lb fresh Bing cherries (pitted and cut in half, (1 1/2 cups/375 mL))
• 1 tbsp icing sugar
• 4 oz light cream cheese (at room temperature)
• 3 tbsp light sour cream
• 2 tbsp cherry preserves
• 1 tbsp kirsch (cherry brandy) or rum ((optional))