2 envelopes (12g each) of plain gelatin
2/3 cup water
1 1/2 cups heavy cream
12 ripe bananas, cut into slices
1/2 cup milk
2 egg whites
Vegetable oil for greasing
To make the sauce:
2 cups milk
Grated rind of 1 lemon
2 egg yolks
1/2 cup heavy cream
2 tablespoons cornstarch
2 envelopes (12g each) of plain gelatin
2/3 cup water
1 1/2 cups heavy cream
12 ripe bananas, cut into slices
1/2 cup milk
2 egg whites
Vegetable oil for greasing
To make the sauce:
2 cups milk
Grated rind of 1 lemon
2 egg yolks
1/2 cup heavy cream
2 tablespoons cornstarch
To make the mousse: In a small saucepan, sprinkle the gelatin over 1/3 cup water and reserve
In a larger saucepan, combine the heavy cream and remaining 2/3 cup water
Bring to a simmer over medium heat without stirring until the mixture turns golden brown
Add the sliced bananas and cook, stirring constantly, for 1 minute
Remove from heat and beat in an electric mixer with the milk until well combined. Reserve
Heat the reserved gelatin mixture over low heat, stirring constantly, until dissolved
Combine the banana mixture and gelatin mixture
Beat again until smooth
Pour into a serving dish and refrigerate until firm
Beat the egg whites until stiff and fold gently into the banana mixture
Pour into a prepared mold, greased with vegetable oil, and refrigerate until firm
Remove from mold and serve with the sauce
To make the sauce: In a saucepan, combine the milk, grated lemon rind, and egg yolks
Bring to a simmer over medium heat
At an arm's length, whisk in the heavy cream and cook, stirring constantly, until thickened
Remove from heat and let cool
Use as desired.