Chocolate Marquise

FROM TASTE (taste.com.au)
(serves 6)
7 egg yolks
3/4cup caster sugar
200g good-quality dark chocolate, roughly chopped
250g unsalted butter, chopped, softened
65g good-quality cocoa powder, sifted
600ml thickened cream
1tsp vanilla extract
Halved strawberries & thickened cream or creme anglaise (to serve)
Directions:
1. Lightly grease an 8cm x 22cm terrine. Line w/plastic wrap, leaving the excess to hang over the sides.
2. Use an electric mixer to beat yolks & sugar in a heatproof bowl for 5min or until thick & pale.
3. Place bowl over a pan of simmering water (make sure bowl doesn't touch the water). Add chocolate and whisk for 5-6 min until melted.
4. Add butter one piece at a time, whisking between each addition until melted. Remove from heat & fold in cocoa.
5. Beat cream & vanilla until soft peaks form.
6. Fold a little cream into chocolate mixture. Fold in remainder until combined.
7. Pour into terrine, fold over plastic wrap to cover, then refrigerate overnight.
8. Turn out terrine, cut into slices & top with strawberries & creme anglaise.

http://www.taste.com.au/recipes/14391/chocolate+marquise