Bring the water and sugar to the boil in a saucepan. Add the washed and finely diced oranges. Cook the marmalade. Strain the marmalade.
Beat the Mousse & Parfait Dessert Base with the liquid cream for 3 min. Soften the cream cheese to 30°C (86°F), whip using a whisk for 3 min. Mix the different mixtures together. Fill the small glasses using a piping bag.
Measure out the cooking juice and fold it into the marmalade. Add the Grand Marnier. Refrigerate.
Fill each glass with a little marmalade and top with a slice of brioche. Fill with cream cheese mousse using a piping bag. Fill again with the orange marmalade. Sprinkle with croutons of toasted brioche* and a few orange segments.
*For 2 brioches. Cut into round slices.