Mousse
- a light spongy food usually containing cream or gelatin
- a molded chilled dessert made with sweetened and flavored whipped cream or egg whites and gelatin (chocolate mousse)

Lemon
- an acid fruit that is botanically a many-seeded pale yellow oblong berry and is produced by a small thorny tree.

You will need:

• 3 fresh Eggs (egg safety)
• 150g (6oz) Caster Sugar (finely granulated white sugar)
• 2 Lemons
• 3 Tablespoons of hot water
• 11.6 g (0.4 oz or 2 teaspoons) gelatin powder
• 250g (1/2 pint) Double Cream (heavy cream, whipping cream)
• A mixing machine or lots of muscles
• A mixing bowl
• A whisk
• A second mixing bowl/container
• A small container/cup
• A grater
• A pastry bag
• A number 44 icing tube