Whisk the eggs whites, add the sugar and continue whisking until stiff. Add the green and yellow food colouring.
Whisk the eggs and egg yolks in a separate mixer bowl.
Combine the two mixtures and fold in the flour, ground pistachios and then the hot melted butter.
Bake in the oven at 190°C (374°F) for approximately 10 mn.
Heat the frozen apricots and the apricot purée with the vanilla beans to 40°C (104°F). Add the pectin NH which has been dissolved with the sugar.
Add the apricot pieces and bring to the boil. Add the dissolved gelatine.
Bring the milk and sugar to the boil.
Pour onto the egg yolks and eggs. Heat to 72°C (162°F). Filter then whisk until cool.
Bring the cream (1) to the boil and add the dissolved gelatine, pour onto the melted chocolates.
At 40°C (104°F), add the whipped cream (2) then the bombe mixture.
Heat the sugar and water to 117°C (243°F).
Add the porridge oats and stir until evenly coated and the sugar has re-crystallized. Leave to cool.
Melt the milk couverture chocolate then add the melted cocoa butter, grape seed oil and sugar coated porridge oats. Crystallize at 33 °C (91°F).
Whisk all the ingredients together.
Spread the apricot compote onto the pistachio biscuit sponge and freeze.
Spread the milk chocolate mousse into a 37x57 cm frame, add the apricot and biscuit sponge insert to assemble upside down.
Freeze then cut into 13x2.5 cm fingers.
Spray with velvety milk chocolate (60% chocolate/40% cocoa butter)
Dip the fingers into the porridge oats/milk chocolate mixture up to the level of the apricot purée. Use a small decorative nozzle to pipe on a wave of cream. Add a few dried apricot pieces. Finish with a strip of white and milk chocolate.
The porridge oats can be replaced by almonds or pistachios which go very well with apricot.