In a medium glass bowl, whisk the sugar and eggs together for a minute then add the salt, cornstarch, milk, and condensed milk and mix thoroughly.
In large saucepan or saucier, heat the mixture on medium low heat slowly for 10-15 minutes, stirring constantly.
Remove from heat and stir in vanilla paste. Put back in the glass bowl and chill in the refrigerator for at least 2 hours.
Layer in trifle or serving dish the cookies, pudding, and bananas. Top with whip cream and a couple of crushed cookies.