Ghirardelli Chocolate-Orange Mousse Cake

Ingredients

• 1 cup Ghirardelli 60% Cacao Bittersweet Chocolate Baking Chips
• 2 sticks (1 cup) salted butter
• 1.25 cups sugar
• 6 large room-temperature eggs, separated
• 1 tsp vanilla extract
• 1 cup Ghirardelli Unsweetened Cocoa Powder
• 1/2 teaspoon salt
• 3/4 cup Ghirardelli 60% Cacao Bittersweet Chocolate Baking Chips
• 1/2 tbsp butter
• 1/2 tbsp orange zest (roughly 1/2 a small orange)
• 3 whole eggs, separated