Decadent Chocolate Mousse Layer Cake Recipe - Quickie Recipe

Ingredients

• 3/4 cup (95g) all-purpose flour
• 2 tablespoons cornstarch
• 1/4 cup (25g) dutch process cocoa powder
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/4 teaspoon kosher salt
• 1/2 cup (100g) fine granulated sugar
• 1/2 cup (105g) dark brown sugar, packed
• 1/2 cup (112g) vegetable or olive oil
• 2 large eggs
• 1 teaspoon vanilla extract
• 1/2 cup (120g) sour cream
• 1/2 cup (120g) hot coffee
• 1 tablespoon dutch process cocoa powder
• 7 oz 70% dark chocolate, chopped
• 7 oz milk chocolate, chopped
• 3 large eggs, separated
• 3 tablespoons water
• 1 1/2 teaspoons unflavored gelatin
• 1 3/4 cups heavy cream, divided
• 1/2 teaspoon cream of tartar
• 1/4 cup (50g) granulated sugar
• 6 oz 70% dark chocolate, chopped
• 3/4 cup (180g) heavy cream