Preheat oven to 250 degrees F. Beat the egg whites, granulated sugar, and vanilla extract until stiff peaks form.
Add confectioners' sugar and blend thoroughly by hand. Transfer meringue to pastry bag. Pipe strips of meringue onto baking sheet. Place pan in oven for about 1 hour, or until meringue is dry. Break meringue into pieces. Set aside.
Preheat oven to 400 degrees F. Place eggs in mixing bowl of an electric mixer, add sugar, mix on high. Add water, continue beating until fluffy and pale yellow.
Sift flour, baking powder, and salt together. Set aside. Remove bowl from mixer. Add dry ingredients. Add flour mixture to eggs as soon as they're ready. Blend by hand thoroughly. (If this is not done quickly enough, eggs will lose their volume.)
Lightly grease a 9 x 13-inch pan. Pour the mixture into the prepared pan. Tap on counter to remove air bubbles. Immediately place pan in oven. Bake 10 to 13 minutes, or untilcake tester comes out clean. Remove cake and let cool.
The milk topping:
1
can (14-1/2 oz.) sweetened
condensed milk
1
can (12 oz.) evaporated milk
1-1/2
c. heavy cream
1/2
c. banana liqueur
While cake is cooling, whisk together all ingredients. Poke holes into cake with toothpick, pour milk mixture over the top, and refrigerate.
The Sweet Whipped Cream:
1
c. heavy whipping cream
1/4
t. pure vanilla extract
1/4
c. granulated sugar
2
bananas, peeled and sliced,
for garnish
1
c. stewed prunes, for garnish
In a well-chilled bowl using chilled beaters, beat the cream, vanilla extract, and sugar until stiff peaks form. Set aside bananas and prunes.
To assemble: Cut into serving pieces. Top with whipped cream. Garnish with meringue, banana and prunes.