Espresso semifreddo sandwiches

Ingredients

2 Tbsp	Water, hot
10 g	Instant coffee (Main)
2 Tbsp	Coffee liqueur
5	Eggs, 3 whole and 2 for the yolks only
1 tsp	Vanilla extract
1 cup	Caster sugar
2 cups	Cream

Directions

1. Place the coffee, water and liqueur in a bowl and stir until the coffee is dissolved. Set aside to cool.
2. Place the eggs, extra yolks, vanilla and sugar in a heatproof bowl. Place over a saucepan of simmering water and, using a hand-held electric mixer, beat for 6-8 minutes or until thick and pale.
3. Remove from the heat and allow to cool slightly. Whisk the cream until stiff peaks form. Gently fold cream and coffee mixture through the egg mixture until well combined.
4. Pour into a 2 litre-capacity metal tin and freeze for 6 hours or overnight.
5. Sandwich semifreddo between biscuits to serve.