Salmon mousse with watercress sauce - Astray Recipes

Ingredients

• 1¼ pounds Skinless salmon fillet
• ½ teaspoon Salt
• ¼ teaspoon White pepper
• ¼ cup Cold water
• ½ cup Thinly sliced mushrooms
• 3 cups Fish stock (or clam juice)
• 1 tablespoon Unsalted butter
• 2 tablespoons Gelatin
• 3 Shallots, peeled and thinly
• 2 tablespoons Brandy
• 1 dash Tabasco
• 2½ cups Whipping cream, cold
• 2 cups Watercress leaves
• 2 tablespoons Fish stock
• ½ cup Heavy cream
• ¼ teaspoon Salt
• ¼ teaspoon Pepper
• ¾ cup Mayonnaise