Whisk the egg whites with sugar until stiff. Add colouring. Whisk the eggs and the egg yolks in another electric mixer bowl. Combine the two mixtures and add the flour, ground pistachios and hot melted butter. Bake in the oven at 190 °C for approximately 12 mn.
Faire chauffer les fraises, les fraises des bois et le jus d’orange à 40 °C. Ajouter la pectine NH mélangée avec le sucre (A). A ébullition incorporer le sucre (B), le dextrose en poudre et cuire jusqu’à 51% Brix (102 °C). Ajouter la solution d’acide citrique. Mixer grossièrement. Débarrasser puis réserver.
Heat the rhubarb, orange juice, peel and sugar. Add the starch that has been thinned in water (1) and boil, stirring continuously. Add the gelatine that has been dissolved in water.
Bring the sugar, water (1), lemon peel and vanilla beans to the boil. Pour onto the egg yolks. Heat to 70 °C, strain through a china cap sieve then whisk, using a mixer, to make a bombe mixture. Combine the mascarpone with the orange blossom. Add the dissolved, softened, gelatine with a little mascarpone. Add the whipped cream and the bombe mixture last. Mousse weight per 17 cm entremets = 350 g mousse.
Heat to 35 °C, combine and glaze the entremets.