"Create a detailed recipe for Banana Whipped Cream Mousse made with a KitchenAid stand mixer. Include exact measurements in imperial units and step-by-step instructions. Ingredients: 1 ripe banana, 1 egg yolk (for safer and richer texture), 2-4 tablespoons milk, 1 cup heavy cream (chilled). Include optional toppings like honey drizzle, cocoa powder sprinkle, crushed biscuits, and a pinch of cinnamon."